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Shop Talk: Republican Race, 'Avoid Ghetto' App

Panelists discuss which GOP presidential hopeful has the best chance of beating Obama. They also weigh in on a so-called 'avoid ghetto' GPS app, and the hype surrounding the Denver Broncos' Tim Tebow. Host Michel Martin speaks with author Jimi Izrael, political editor Ken Rudin, attorney Arsalan Iftikhar and columnist Mario Loyola.