US President Barack Obama on Monday defended his problem-plagued health reform plan, declaring at a White House event that, despite numerous glitches, the program is already helping many uninsured Americans. \"Let me remind everybody that the Affordable Care Act is not just a website,\" Obama said, after the troubled online rollout of the plan. \"It\'s much more...You may not know it, but you\'re already benefiting from these provisions in the law.\"