The House approvd a trillion-dollar healthcare package late Saturday that seeks to overhaul private insurance practices and guarantee comprehensive and affordable coverage to almost every American. The House legislation would for the first time require every individual to obtain insurance, and would require all but the smallest employers to provide coverage to their workers. It would also vastly expand Medicaid and create a new marketplace where people could obtain federal subsidies to buy insurance from private companies or from a new government-run insurance plan.