fuel barges go up in flames. right across the river from a crippled carnival cruise ship. and -- >> i will always believe our nation's best days lie ahead. god bless. >> shepard: emotional and historic day as all five living american presidents come together. >> it's a very special for barbara and me. >> mr. president, let me say that i'm filled with admiration for you. >> we do a lot of speeches together. i like it when we have disagreements. >> he takes his job seriously but he doesn't take himself too seriously. is he a good man. >> shepard: the grand opening of the george w. bush presidential library. but first from fox this thursday night. new york city was on their minds for next. that's what police are saying about the accused boston marathon bombers. the cops say the brothers came one a spontaneous plot to to attack times square