evidence: Republican Senator Ron Johnson is leading efforts to block a deal on border security, the Wisconsin congressman recently said, adding that voters should be the ones deciding on the issue. [...] "The problem we have is that we're negotiating with an administration and Democrats in the Senate who want an open border," he concluded. Johnson took credit for the Senate going into recess without voting on any border security measures. [...] Newsweek contacted Johnson's press team for comment by email on Friday.