Morning Joe 07/18/13

How Liz Cheney's tactics could backfire

The daughter of former VP Dick Cheney, Liz Cheney, is set to challenge veteran Sen. Mike Enzi for the GOP Senate nomination in Wyoming. But did Cheney insult Enzi's age when saying a new generation of leaders should step up? NBC News' Chuck Todd and ... more Duration: {{video.duration.momentjs}}