US Senator James Lankford can’t catch a break as he attempts to strike a bipartisan US border deal with Sens. Chris Murphy (D-CT) and Kyrsten Sinema (I-AZ). Although Lankford was appointed by Sen. Mitch McConnell (R-KY) “to lead bipartisan negotiations on immigration,” according to Politico, the backlash he’s received from fellow GOP lawmakers suggests he’s unfit for the job in their eyes. “It’s been exceptionally frustrating,” Lankford said Wednesday, days after Oklahoma Republicans unsuccessfully attempted to censure him over his efforts. “Everybody’s saying: ‘prove me wrong on this. Here’s …