The bipartisan border deal the Senate spent months working on appears to be all but dead after former President Donald Trump whipped Republicans against it, fearful he would lose one of his most potent campaign issues. This leaves Senate Republicans in the position of trying to come up with reasons why they oppose it. On the Senate floor Thursday evening, Sen. Lindsey Graham (R-SC) attempted to do so in an argument with Sen. Kyrsten Sinema (I-AZ), one of the chief negotiators of the deal, reported The Hill’s Alex Bolton. ALSO READ: Alina Habba is persona non grata at her Pennsylvania law schoo…