Detailed text transcripts for TV channel - MSNBC - 20140421:11:01:00
I don't know that it is. >> welcome back to "morning joe." it is the top of the hour. back with us on set we have thomas roberts, mark halperin, richard haass, and mike barnicle who's live in boston for us where it will be a bittersweet day. mike's going to join us a little bit later. in just a few hours the boston marathon will be held for the first time since the deadly bombings last year. 36,000 people will be taking part in this 118th run. the second largest field in the race's history. hundreds of thousands will be cheering them on though. security extremely tight with more than 3,000 off...