Pastor Floyd Flake, also a former Congressman, discusses why he says stop-and-frisk is an "appropriate" policy. Then, a bill in Albany aims to give women more information about the results of mammograms. Plus: New York State Assemblyman Hakeem Jeffries and New York City Councilman Charles Barron are both vying to be the Democratic candidate for the 8th Congressional district. They make their case for the seat vacated by Ed Towns. Next, Jill Lepore of The New Yorker on her new book on American ideas about life and death; the future of singularity; and relationship expert Charles Orlando on the statistics on online dating.