the rio grande is blocking border patrol agents from reaching at-risk migrants including families with infants and unaccompanied children and increasing the risk of drowning. this according to a customs and border protection document. joining us now is texas lieutenant governor dan patrick. dan, it's obvious, obviously. they're trying to keep the border open and keep traffic free, and the flow of humanity free and unencumbered as you and your government are trying to say no, this is sovereign territory. >> absolutely, laura. and the person to blame is one person for the 800 people who died crossing the border last year between san diego and brownsville many into texas because we have two-thirds of the border and many have drowned. and who is that person? it's the president of the united states. he doesn't care that people are crossing the border. he he encourages them to cross