MSNBC Live 04/17/13

Office of Senator Shelby being searched due to 'suspicious envelope'

NBC News' Kelly O'Donnell discusses the expected Senate vote to extend background checks, as proposed by Sen. Joe Manchin, D-W. Va., and Pat Toomey, R-Pa. MSNBC's Craig Melvin and O'Donnell also discuss a new NRA ad. O'Donnell also mentions that the ... more Duration: {{video.duration.momentjs}}