Nate Cohn: “Pennsylvania, which holds its primary next Tuesday, uses a nonbinding ‘loophole’ primary — and that could cost Donald Trump the Republican nomination.”
“If the state adopted the delegate rules of any other primary, he would probably be an even-money favorite, or better, to amass the 1,237 delegates needed before the convention. Instead, his chances may come down to the whims of 54 unpledged Pennsylvania delegates.”
For members: Here’s Trump’s Math


?Political Trivia
Eight moments in political history. Put them on a timeline.
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Nine Justices. One case. How did they rule?
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