Roseanne Barr is hoping to make the giant leap from "Nuts" to president of the United States. The comedian announced her presidential run Thursday on Twitter. "I am running for Green Party nominee for POTUS," she tweeted. "I am an official candidate. I am4 the Greening of America&the world. Green=peace/justice." Barr's Lifetime reality show "Roseanne's Nuts" was canceled in September.
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