President Obama is set to visit to Maine next week. U.S. Representative Chellie Pingree says the President will be in Portland, next Thursday, April first. He’ll talk about the health care overhaul passed by Congress this week.More details about the presidential visit are expected to be released in the next few days. The President will also be in Boston for a fundraiser for the Democratic National Committee. This will be Obama’s first visit to Maine since he took office. His most recent trip was to Bangor, two years ago.