Sen. John Kerry, D-Mass., will this week introduce legislation to pull the majority of U.S. troops out of Iraq by the end of 2006, his office announced. Kerry will offer an amendment to the 2007 defense authorization bill. The recent trend in Iraq has been to increase rather than decrease American troops. Earlier this month the U.S. military announced that 3,500 troops -- two battalions of a brigade that was being held in Kuwait as a back up force -- had been deployed to Anbar province, the heart of the insurgency. Those battalions joined another that had already been called...