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?

Wenonah Hauter, 07/31/12

Executive Director, Food & Water Watch

He may think he can't afford to anger the oil and gas companies just four years before he runs for president, but the reality is he can't afford to enrage the progressive base by accepting fracking. Governor Cuomo must not allow fracking in any part of New York.

Jean-Michel Giraud, 07/30/12

Executive Director of Community Council for the Homeless at Friendship Place

Now, there's one question on everybody's mind: What is it going to take to end homelessness in the country?

Dr. Amy Nunn, 07/30/12

Assistant Professor of Medicine and Assistant Professor of Behavioral and Social Sciences, Warren Alpert Medical School at Brown University

A mounting body of scientific evidence shows that where you live, your race and your socioeconomic status -- not just behaviors -- strongly correlate with HIV infection.

Frank J. Cilluffo, 07/30/12

Director, Homeland Security Policy Institute, The George Washington University

Iran is doing some serious saber-rattling these days, threatening "a`teeth-breaking' response" to the United States should cyber-attacks continue to target Iran.

Mark S. King, 07/27/12

Blogger, MyFabulousDisease.com; author, 'A Place Like This'

Howard Steven Friedman, 07/28/12

Statistician/Economist for International Organization, Columbia University

What are the factors influencing voting turnout that may be causing Americans to be less likely to vote? We can learn from other countries how to enable, rather than disable voting.

Chris Gentilviso, 07/27/12

Front Page Editor, The Huffington Post

Elected officials have a responsibility to speak for their cities. But preventing a restaurant from opening off words like Chick-fil-A CEO Dan Cathy's alone is inherently problematic.

Chris Salgardo, 07/27/12

President, Kiehl’s Since 1851

We are going to continue to do the Kiehl's LifeRide for amfAR until AIDS is finished. Until there is a vaccine. Until there is a cure. Until the first AIDS Quilt panel, which says, "The Last One," is sewn onto the quilt. And then we will ride for a new cause.

Lucy Danziger, 07/27/12

Editor-in-Chief, SELF magazine

When you watch the Olympics in the next 14 days and feel inspired, think about what it is that moves you. Then realize this: It doesn't really matter. Just get moving!

Joel Dreyfuss, 07/27/12

Senior Editor-at-large, The Root

Raspberry was a member of the first generation of African-American journalists to barge into an exclusive all-white club. As we find ourselves regularly recording the deaths, retirements or buyouts of black reporters, is TV and print news better and more complete because of the legacy of black journalists?

Michael Kaiser, 07/30/12

President, John F. Kennedy Center for the Performing Arts

If board members are not helping to raise money from their friends and associates, they are not performing one of the central responsibilities of board membership. But for many arts organizations, there is a relatively quick fix to this problem.

Tom Fox, 07/27/12

Vice President, Partnership for Public Service's Center for Government Leadership

Prior to joining FERC, Jon Wellinghoff was in private law practice focusing on issues such as renewable energy, energy efficiency and distributed generation.

Ben E. Kessler, 07/30/12

Unprofessional Appreciator

It's a week in the D.C.-area of familiar faces, old friends, and those who waited too long to visit. There aren't any headline-grabbing shows or tough tickets.