"This bears on your reporting," Obama told the journalists.
Asked about the fate of his health care reform law, his signature legislative achievement, Obama said his administration was "not spending a whole lot of time planning for contingencies" in the event that the law is struck down. He said he expected the Supreme Court to uphold the law as constitutional because justices "take their responsibilities very seriously."
Making the case for a second term, Obama said the central question of the election will be how to restore security for Americans who work hard and show responsibility.
"That's why I ran in 2008," he said. "It's what my presidency has been about. It's why I'm running again."
Associated Press writer Kasie Hunt in Milwaukee contributed to this story.
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