President Trump’s nominee for the Pentagon’s top policy job apologized in a letter to the Senate on Friday for inflammatory tweets made two years ago in which he made derogatory remarks about Islam, President Barack Obama, and other leading Democrats. ... “Out of the 8,800 tweets I authored and hundreds of speeches I have given, the few misstatements on Twitter, while grievous, are not indicative of who I am,” he wrote. “They are an aberration in a four-decade thread of faithful public service.”...