Sen. Tom Cotton was about to enter the White House early this month to discuss immigration policy when he got an unexpected call from President Donald Trump to talk about a different topic.
For days, the Arkansas senator had been working behind the scenes to convince Republicans that reigniting a battle over repealing Obamacare in the tax fight wasn't as crazy as it seemed. But Trump, still smarting from GOP's failures to dismantle the law whom Cotton had first pitched on the idea four days prior, needed little persuading.
