preservation this year in the library of congress. it s the first music video in the national film registry. others inlewd the muppet movie and the first time kermit the frog and miss piggy appeared together on the big screen. the films are selected for their importance to american culture. thanks for being with us tonight. i will see you tomorrow morning, 6:00 a.m. eastern for american morning. now, campbell brown. tonight, here are the questions we want answered. on the trail of missed signals and the christmas day bombing plot, new clues about what the government new, when they knew and it why there was a communication breakdown. what will it take to make sure we never see another failure like this again. the white house under fire. has the administration down turned the war on terror. we will a sk normer homeland security secretary mike the chertoff. he joins me. where did it go? how quickly did it go? plus, a rad tall imam in yemen linked to a christmas day bombe