We arrived at the White House on Easter Monday, the South Lawn overrun by children and their parents enjoying the annual Easter Egg Roll. This was the fourth time in the past four years that we had sat down for an extensive interview with Barack Obama, but the tenor and timing were markedly different than the previous conversations. This time he was focused on the campaign, his thinking dominated by the upcoming battle for a second term.

The president was more somber than in our past interviews – and less inclined to depart from the handful of themes he had been concentrating on in recent weeks. He avoided discussing Mitt Romney, even when asked a direct question, and focused primarily on the very real constraints he operates under as president, from the intransigence of Congress to the dilemma of America’s anti-drug laws. He also seemed intent on summing up the arguments he’ll soon be taking out on the campaign trail, making clear that he plans to run on his remarkable record of accomplishments: extending health insurance to 32 million Americans, staving off a major economic collapse, rescuing the auto industry, reforming student loans, ending discrimination against gay soldiers, pulling U.S. troops […]