NBC's Mark Murray and Domenico Montanaro discuss how the Boston bombings have become a political football and the GOP establishment's new TV ad pushing immigration reform.
VIDEO: First Read Minute: Boston, immigration, and 2014 Senate field taking shape
Catch up with NBC News Clone on today's hot topic: Video First Read Minute Boston Immigration 2014 Senate Field Taking Flna6C9584197 - Breaking News | NBC News Clone. Our editorial team reformatted this story for clarity and speed.
