Taxing times for Romney; Exploring Mars; DC Olympians?

Today on NewsTalk, Georgetown Univ. political analyst Christopher Metzler talked about Mitt Romney’s refusal to release more than two years worth of his tax returns. We also talked about his selection of a running mate, the upcoming conventions and the Chick-fil-A controversy.

NASA scientist Mitch Schulte talked about the landing of the Mars rover Curiosity.

And, if Puerto Rico and Guam can send athletes to the Olympics, why can’t DC? We asked Mike Panetta, who tried to organize a curling team in time for the 2006 Games.

Watch the rest of today's show after the jump.

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Wednesday at 10am: AAA’s Lon Anderson talks transportation