Speaker-to-be Nancy Pelosi (D-Calif.) is imploring her colleagues to support Rep. John Murtha (D-Pa.) for majority leader, multiple House Democrats said yesterday, dealing an unexpected but not necessarily fatal blow to Murtha’s opponent, Rep. Steny Hoyer (D-Md.). It had been unclear until yesterday whether Pelosi would use her clout to turn votes to Murtha. She endorsed him in a letter Sunday, but some dismissed it as a nod to personal loyalty rather than a statement of her intentions. But by yesterday, her intent was clear, several lawmakers said; she hopes to oust her onetime rival Hoyer from the leadership. “She’s...