WASHINGTON (Reuters) – Republican U.S. Representative Jeff Fortenberry, who was convicted of lying to FBI investigators about illegal contributions to his 2016 re-election campaign, said on Saturday that he would be resigning from Congress. Following a trial in Los Angeles federal court, the jury found Fortenberry, who represents Nebraska, guilty of scheming to falsify and conceal material facts, along with two counts of making false statements to federal investigators. In a statement, Fortenberry said he would be resigning shortly because of difficulties in his “current circumstances.” Prosec…