WASHINGTON (AP) ? Both highly critical and bipartisan, a Senate report declared Wednesday that the deadly assault on the American diplomatic compound in Benghazi, Libya, could have been prevented. The account spreads blame among the State Department, the military and U.S. intelligence for missing what now seem like obvious warning signs. For the first time in the much-politicized aftermath, the report also points at Ambassador Chris Stevens, who was killed in the attack. It says that the State Department ended a deal with the military to have a special operations team provide extra security in Libya, and that Stevens twice refused an offer to reinstate the team in the weeks before the Sept....