A Saudi Arabia national has admitted in court that he stole a school bus in New Jersey and drove it across state lines. Bader Alzahrani, 24, pleaded guilty on Wednesday to the federal charge of interstate transportation of a stolen vehicle, the U.S. Attorney’s Office said in a news release. He was indicted by a grand jury last summer. Authorities say he swiped the bus in Livingston and drove it to Stroudsburg, Pennsylvania. Federal authorities say police responded to a break-in at an unoccupied house on Hillside Avenue in Livingston on Jan. 15. While searching the home, officers found a backpa…