WEST PALM BEACH, Florida (Reuters)—The man charged with attempting to assassinate Donald Trump after allegedly positioning himself with a rifle outside one of the former president's Florida golf courses on Sept. 15 pleaded not guilty on Monday to five federal charges. Ryan Routh, 58, entered the plea to charges that include attempted assassination of a major presidential candidate during a hearing in federal court. He has already been ordered to remain in jail to await a trial. Prosecutors have...