U.S. Senator Rand Paul's son has been charged with assaulting a flight attendant during a trip from Kentucky to North Carolina. 19-year-old William Paul is charged with misdemeanor assault on a female by aggressive physical force. Paul was also was charged with underage drinking, disorderly conduct and being intoxicated and disruptive. The son of the Republican senator from Kentucky and grandson of former presidential candidate Ron Paul was arrested after his plane landed at Charlotte-Douglas International Airport on January 5.