President Barack Obama today signaled an aggressive tact for his early re-election campaign, critiquing his Republican opponents by name and insisting he’s ready to “fight with every fiber of my being” for a second term.

“How much do you want it?” ABC News’ Diane Sawyer asked Obama during an exclusive interview in Las Vegas.

“Badly,” the president said, “because I think the country needs it.”

“Whoever wins the Republican primary is going to be a standard bearer for a vision of the country that I don’t think reflects who we are,” Obama said.

“I’m going to fight as hard as I can with every fiber of my being to make sure that we continue on a path that I think will restore the American dream,” he said.

Obama pushed back against what he called Republicans’ “rhetorical flourishes,” including Newt Gingrich’s oft-repeated contention that Obama is the “food stamp president.”

“First of all, I don’t put people on food stamps,” Obama said. “People become eligible for food stamps. Second of all, the initial expansion of food-stamp eligibility happened under my Republican predecessor, not under me. No. 3, when you have a disastrous economic crash that results in 8 million people losing their jobs, more people are going to need more support from government.”

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