New Hampshire Gov. Chris Sununu is not launching a U.S. Senate bid, he announced Tuesday. Sununu was widely considered one of the most electable potential Republican candidates to take on Sen. Maggie Hasan (D-N.H.). He told reporters during a briefing that he was intrigued by a Senate run but is opting to try for a fourth term as governor instead of seeking a congressional seat. “At the end of day, I feel very at peace with this decision. It think it’s the best for the state; I think it’s best for myself,” he said. Hassan unseated Sen. Kelly Ayotte (R-N.H.) in 2016 and will seek a second term next year. Hassan received 1,017 more votes than the incumbent. Republicans Don Bolduc, who served in the U.S. Army, and Tejasinha Sivalingam, who describes himself as pro-America, are the only GOP candidates so far. Sununu said he would endorse a candidate if he supports …