Michael Smerconish, 07/30/12

Radio host

Elizabeth Warren said it better than Barack Obama. And the president's presentation wasn't helped when supporters of Mitt Romney edited his words. Sadly, lost in a squabble over "you didn't build that" was the opportunity for a more serious conversation about social contracts.

Keli Goff, 07/31/12

Author, Commentator and Contributing Editor, TheLoop21.com

Pint-sized gymnastics powerhouse Gabby Douglas stands out for her strength, grace and show stopping routines, particularly on the uneven bars. She also stands out because of her race.

Susan B. Dopart, M.S., R.D., C.D.E., 07/31/12

Nutrition and Fitness Consultant

What's the truth about foods in a box or other container and how can you, as a consumer, decipher the truth and eat healthfully? Let's look at four popular items that are marketed as healthy, but have limited nutritional value.

Hanna Flint, 07/31/12

Freelance broadcast journalist and producer but fundamentally a film keeno

Who knew the archaic "eye for an eye" mantra could be substituted for "a tweet for a tweet"? Well I say it can't and it mustn't or we risk sinking to the troll level from the precious moral high ground.

Lopez Lomong, 07/30/12

Olympic Runner, Team USA

Yes, I think of winning Olympic gold, representing the USA and expressing my appreciation for all that this country has given to me in blessing upon overwhelming blessing.

David Shuster, 07/30/12

Host, 'Take Action News with David Shuster'; anchor and correspondent for Current TV

Democrats should follow Rep. Jan Schakowsky's lead: Instead of running away from Social Security, Medicare, and Medicaid, they should run toward the programs and vow to protect them. It's an approach that will win in November and strengthen our society.

Richard Grenell, 07/30/12

Longest-serving U.S. Spokesman in the History of the United Nations

By the time President Obama visited Poland in 2011, former Polish President Lech Walesa declined to meet with him. It was a shocking rebuke for an American president by one of the U.S.' most thankful and supportive allies.

Janis Spindel, 07/31/12

CEO, Janis Spindel Serious Matchmaking, Inc.

After divorce and being out of the dating scene for a while, it may be hard to remember where to meet single men.

Cesar Millan, 07/31/12

Dog Whisperer and CEO of CesarsWay.com

It stands to reason that if dogs can sniff out cancer cells in humans, detect bombs, and locate lost people, might they also be the key to finding your perfect match?

George Lakoff and Elisabeth Wehling, 07/30/12

America is divided about its future. Should it keep and expand the system that brought past opportunity, prosperity and freedom? Or should it dismantle that system?

Lisa Belkin, 07/30/12

Senior columnist for life/work/family, The Huffington Post

How to reconcile these two contradictory goals? To teach our girls that females are awesome and also teach them that their gender is not the whole of who they are?

Marty Kaplan, 07/30/12

Director, Norman Lear Center and Professor at the USC Annenberg School

No wonder media outlets maximize political drama. It holds audiences, and that's great for the bottom line. But there is zero civic virtue in paying attention to campaign coverage.

Peter H. Gleick, 07/30/12

President, Pacific Institute

Are you confused by the debate over fracking? I'm not surprised. The public debate is complex, angry, boisterous, a mix of science intertwined with politics, and complicated by a lack of information (or even intentional disinformation) on all sides.

Chris Kelly, 07/30/12

Writer, 'Real Time with Bill Maher'

When Mitt Romney talks about culture, he doesn't mean religion. He means the force that explains why some people have money (and deserve it) and other people don't. He's not talking about Arabs and Jews. He couldn't care less. He's on autopilot. But that's not what his audience is hearing.

Andy Miah, 07/30/12

Professor, University of the West of Scotland

What should you do to make sure you don't miss out on crucial information as the Games begin? Here's a quick guide to some of the key Twitter accounts that are worth following.

Robert Kuttner, 07/30/12

Co-founder and co-editor, 'The American Prospect'

You can be confident that markets will slump again and Spanish and Italian borrowing costs will rise again as soon as investors realize that Draghi, despite his best intentions, can't quite deliver.

D.L. Hughley, 07/30/12

Actor and stand-up comedian

Until and unless we can have an honest national conversation about our violence-obsessed culture, we will always be waking up to mourning in America.

Dean Baker, 07/30/12

Co-director, CEPR; author, 'The End of Loser Liberalism: Making Markets Progressive'

The typical near-retiree has about $170,000 in wealth including everything, such as the equity in their home, their 401(k) and any other savings. That is what our CEO gang makes in a week.

Jeff Jarvis, 07/30/12

Author, 'Public Parts' and 'What Would Google Do?'

I still believe that if NBC gave the fans what they wanted rather than trying to make them do what NBC thinks it wants, NBC could win by growing audience and engagement and thus better serving sponsors. I ask you to imagine what Olympics coverage would look like if Google had acquired the rights.

Dan Froomkin, 07/30/12

Senior Washington Correspondent, Huffington Post

Does any journalist who is not an overt shill for the right actually believe that Republicans are pushing voter ID laws because they're concerned about voter fraud? No, of course not.

Leo W. Gerard, 07/30/12

International President, United Steelworkers

It's easy for Congress to show it cares about American security, the American economy and American manufacturing. All it takes is a vote to secure and upgrade a dam. And, you know, the rest of the nation's infrastructure.

William Hartung, 07/30/12

Director, Arms and Security Project, Center for International Policy

The old John McCain had an independent streak, bucking his party on issues like campaign finance reform and fighting Pentagon pork. Unfortunately, the old John McCain is fading from view just when the country needs him most.

Michelangelo Signorile, 07/30/12

Editor-at-large, HuffPost Gay Voices; SiriusXM radio host

The news on Friday about Amazon's Jeff Bezos giving $2.5 million to the effort of marriage equality in Washington State marked a milestone. And here we are, in a media firestorm over this pipsqueak, Chic-fil-A?

Matthew Hutson, 07/30/12

Science writer; author, 'The 7 Laws of Magical Thinking'

In general, if you're nice to people, good things come your way, but if you're jagoff, look out. These expectations make sense in social situations, where people can retaliate or return favors, and where reputation matters. But we expect the universe to play by the same rules -- to manifest karma.