President Barack Obama argues that his signature health care law is already benefiting most Americans even if they don't know it.
The president says despite what he calls "sky is falling" predictions, the Affordable Care Act's provisions are already in place for those with health insurance.
He says what's left is to help those Americans who don't have health care coverage to obtain it. He acknowledged that is "a big undertaking" and predicted there could still be some glitches as the details are worked out.
Obama was speaking at a news conference Tuesday at the White House.
On other topics, Obama says he's going to try again to close down the prison for terrorist suspects at Guantanamo Bay, Cuba.
Obama says he's asked a team of officials to review the issue and will take it back to Congress again.
He told the news conference Tuesday he's not surprised there are problems at the facility, where 100 of the 166 inmates are on a hunger strike.
Obama ordered the detention center closed upon taking office, but Congress thwarted him and made it harder to move prisoners elsewhere. Releases and transfers have since become rare, giving detainees little hope of ever being released.
The president was also asked about the Boston bombings.
One of the dangers the U.S. faces now, Obama said, is people who might decide to attack because of "whatever warped, twisted ideas they may have."
Obama said that based on what he's seen so far, the FBI and the Department of Homeland Security did what they were supposed to before the attack.
But he said the review was needed to find out whether more can be done to prevent this type of attack by people within the United States who may become radicalized.
Obama said, "This is hard stuff."
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