Electoral Map Is a Reality Check to Donald Trump’s Bid By JONATHAN MARTIN and NATE COHN APRIL 2, 2016 Donald J. Trump is so negatively viewed, polls suggest, that he could turn otherwise safe Republican states into tight contests. Credit Eric Thayer for The New York Times Donald J. Trump’s presidential candidacy has stunned the Republican Party. But if he survives a late revolt by his rivals and other leaders to become the party’s standard-bearer in the general election, the electoral map now coming into view is positively forbidding. In recent head-to-head polls with one Democrat whom Mr. Trump may...