Congressman Mike Thompson of California discussed the bill he sponsored in the House of Representatives that calls for stricter background check rules, Jessica Taylor, Senate and Governors Editor for The Cook Political Report talks about Tuesday's primary election results, and Bloomberg Politics Contributors Jeanne Sheehan Zaino and Rick Davis discuss the aftermath of the deadly Texas elementary school shooting, prospects for gun reform and the NRA's involvement in politics. See omnystudio.com/listener for privacy information.