Sen. Lindsey Graham, Sen. Richard Blumenthal, Sen. Rand Paul

It's been one year since the Butler, Pennsylvania assassination attempt on President Trump. We have a first look at a Senate report that has new findings on what went wrong. The Chairman of the Homeland Security Committee Senator Rand Paul joins us with the conclusions from his new report. Then, in Texas, the grueling task of cleanup and recovery continues ten days after massive flooding killed at least 129 people -- with dozens more still missing. Was it a preventable tragedy? We talk with Washington's Senator Maria Cantwell, the top Democrat on the committee that oversees the National Weather Service...