Detailed text transcripts for TV channel - MSNBC - 20150507:13:16:00
Developing now in boston, a showdown between the prosecution and defense at the penalty phase of the boston marathon bombing. the defense is expected to wrap up its case today and wants to call a high-profile death penalty opponent to the stand. sister helen prejean, her book was adapted into the movie "dead man walking" and won an oscar for susan sarandon for her portrayal of sister prejean. the prosecution is trying to limit or block her testimony. let's get the very latest from the federal courthouse in boston. nbc's ron mott is in boston. ron, good morning. >> reporter: hey jose good morni...