Republican Senate aides clashed during a Monday morning meeting over the bipartisan border bill. Communications directors for GOP senators met to discuss the deal, and staffers for Sen. Mike Lee (R-UT), a strong opponent of the bill, started “yelling” at staffers for Sen. James Lankford (R-OK), who is leading the talks, after they gave a presentation on the proposal, reported Andrew Desiderio of Punchbowl News. The Lee aide eventually left the room complaining about a “betrayal,” and Desiderio reported that staffers who remained in the room “erupted into laughter” when that staffer left. Want …