Mass weekend shootings: The political response
b'Description:As the investigation gets underway into the two mass shootings, the FBI and other law enforcement agencies are digging into the backgrounds of the shooters. In addition, there are more calls for gun control along with responses from both local and political leaders. What are officials saying about these latest shootings \\u2013 and what kind of impact will it have on the Presidential campaign. NBC News Radio\\u2019s Michael Bower joins Tony.'