these texas vietnam vets tour the war memorials and reporter doug dunbar revisits his own painful past. >> a picture of my dad. that's my dad's name. >>> and later, a presidential stage of a different kind. it happens here where the president becomes comedian-in-chief. [ laughter ] >> announcer: this is the "cbs weekend news" from new york with adriana diaz. >>> good evening. i'm mark strassmann sitting in for adriana. tonight nearly 40 million people bracing for severe potentially life-threatening tornadoes including power. menacing a half dozen states from texas to michigan. this suspected tornado caught on video by our affiliate kwtv in oklahoma city. one of dozens devastating parts of the plains in the last 24 hours. witnesses stunned by their massive force. cbs's omar villafranca is in norman, oklahoma, tonight. omar? >> reporter: good evening, mark. there are tornado warnings in texas, kansas, missouri and here in oklahoma. in fact, some storms just fired up to the northwest and southwest of us. those storms are fast-moving. they are packed with wind, hail, heavy rain and several