A Pentagon Nomination Fight Reveals the New Rules of Trump’s Washington

News Snapshot:

There’s little in Elbridge A. Colby’s past to suggest that President Trump’s most loyal and fierce allies would embrace him. Mr. Colby, 45, has deep roots in the foreign policy establishment that Mr. Trump is trying to destroy. He is the grandson of the former C.I.A. director William Colby; a product of Groton, Harvard and Yale Law School; someone who has spent much of his career working across party lines on some of the most complex national security issues: nuclear weapons strategy, China’s military buildup, the commercialization of space. Yet when Mr. Trump nominated Mr. Colby to a top Pentagon...