From the future, if Peter has Hiro's power, why didn't he just go back to fix the past? Save Micah since he's feeling very guilty about it?
If Peter's really the bomb, and since he can fly, why not just fly up to the sky during explosion to avoid any casualty?
Since Claire knows about Ted's the radiation guy, why didn't she tell Peter to stay away from Ted so Peter can avoid obsorbing Ted's power?