WASHINGTON - Three senators who met with Pakistani President Pervez Musharraf after opposition parties won a governing majority last week urged a "graceful exit" from power for the close Bush terror-fighting ally. "Were I their political adviser, that's what I would advise," Sen. Joe Biden, chairman of the Senate Foreign Relations Committee, said Sunday. He did not favor an attempt by that new coalition to impeach Musharraf; the parties have enough seats to govern, but not enough to impeach the president. "I firmly believe if they do not focus on old grudges — and there's plenty in Pakistan — and...