Senate Minority Leader Mitch McConnell (R-KY) smacked down the bipartisan US border security bill Monday — just three hours after supporting the legislation, and after weeks negotiating between Democratic and GOP senators. Ahead of the bill’s failure, CNN’s Kaitlan Collins interviewed US Rep. Chip Roy (R-TX), asking, “Is the argument here, congressman, that essentially you’re not gonna pass this. If this fails, nothing happens on Capitol Hill. What’s the backup plan? Is it to wait 350 days and hope that Trump potentially is inaugurated as president? Because you criticized how he handled immigr…