Beating expectations, President Barack Obama's health care overhaul was on track to sign up more than 7 million Americans for health insurance on deadline day Monday, government officials told The Associated Press. The 7 million target, thought to be out of reach by most experts, was in sight on a day that saw surging consumer interest as well as vexing computer glitches that slowed sign-ups on the HealthCare.gov website. Two government officials confirmed the milestone, speaking on condition of anonymity because they were not authorized to discuss the matter ahead of an official announcement. Seven million was the original target...