If you want to win a fight in Washington, D.C., send a veteran. That was the message New Jersey Gov. Mikie Sherrill delivered Wednesday during a campaign stop for NH-01 Democratic candidate Maura Sullivan at the To Share Brewing Company in Manchester. “We need in Washington to send in the fighters,” Sherrill, a U.S. Navy veteran, told the group of about 60 who gathered at the brewery. “We need to send in a Mom. We need to send in a Marine.” Sher…