There were the Michigan and Arizona primaries, growing debate over contraception, the retirement of Olympia Snowe, and the sudden death of Andrew Breitbart.  These stories and more will be covered by our weekly Friday panel which includes Katie Halper, blogger at katielhalper.com, Farai Chideya, a journalist and blogger at Farai.com, and Ron Christie, Republican political strategist, CEO of Christie Strategies, and former special assistant to President George W. Bush.