Just a few months ago, President Donald Trump denounced Rand Paul as a “sick wacko” who opposes “everything.” Now the Kentucky senator is a key gatekeeper for one of the president’s biggest priorities.

As chair of the Senate Homeland Security and Governmental Affairs Committee, Paul faces a stark choice as his fellow Republicans race to pass a party-line immigration enforcement bill by Trump’s June 1 deadline. At the same time, he’s confronting his own political future.

Paul’s colleagues sidelined him last year when he refused to give as big a cash infusion for border security as the White House wanted. Now he must decide whether to go along…

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