Sen;. Kyrsten Sinema (I-Arizona) — who was one of the three main negotiators on the bipartisan border security legislation that failed in the US Senate last week — blasted her Republican colleagues for their sudden and abrupt one-eighty on border policy. During a interview with CNN, Sinema blamed the death of the legislation not on any particular policy hangups, but on a lack of political will. Even though she didn’t directly mention former President Donald Trump, Sinema suggested that his pressure campaign on Republicans behind the scenes resulted in them tanking their own stated number-one p…