WUSA CBS Evening News With Scott Pelley February 17, 2012
this is the "cbs evening news" with scott pelley. >> pelley: good evening. if a terror suspect had carried out his alleged mission today, we would be starting to want with a suicide bombing at the seat of the united states government. instead, we begin with the story of how federal agents arrested that man today. on his way, apparently, to the u.s. capitol where the f.b.i. says he was out to kill as many people as possible. undercover f.b.i. agents were on to him from the start and we begin our coverage tonight with chip reid at the capital. chip? >> reporter: good evening, scott, th...