quote, great peril. john bolton talked with abc 7 news during his trip to san francisco today for a policy briefing with the advocacy group, the bay area council. he commented on a letter this week from 47 republican senators warning tehran that any nuclear accord with president obama's team could expire the day he leaves office. >> the president is worried that the involvement of these 47 senators jeopardizes the deal he's negotiating what that tells you is this is a very fragile deal indeed. >> i think you have to ask what people are trying to accomplish. the author says he doesn't want these agreements to be made and he thinks before the judgment is even made that it's a mistake. >> secretary of state john kerry says the president has made it absolutely clear iran will not get a nuclear weapon. negotiators from the u.s. and five other nations hope to reach a framework agreement by month's end. >>> court records show the truck driver whose oversize rig derailed an amtrak rig is a