America's souring on peacekeeping happened overnight when American marines were killed during the ill-fated mission to Somalia in 1993: the United States does not accept, at least on its own behalf, that casualties are a peacekeeping hazard.
The co-chairs of the ill-fated deficit reduction supercommittee, Senator Patty Murray and Representative Jeb Hensarling, did not know each other before being given 10 weeks to solve the entire federal deficit problem.