Boy Scouts Lose Both National Scout Jamboree Headliners as Carly Rae Jepsen, Train Drop Out Over Anti-Gay Policy Neetzan Zimmerman · 03/05/13 11:36AM Just one week after the Boy Scouts of America excitedly announced the upcoming performances of Train and Carly Rae Jepsen at the 2013 National Scout Jamboree, both acts have announced their decision to drop out over the organization's ban on gays.