president barack obama pledge 90 million 67 million tuesday help laos recover millions unexploded bomb secretly drop us plan vietnam war say clean-up moral obligation mr obama laos summit southeast asian leaders make first sit president visit communist country sandwich thailand vietnam.a young boy stand front build make repurposed bomb shells.he say time last acknowledge toll american bomb take people laos villages entire valleys obliterate countless civilians kill conflict another reminder whatever cause whatever intentions war inflict wrench toll especially innocent men women children said.read telegraph moral obligation obama visit laos vietnam apology tour…pledges millions