this morning on "world news now" -- economic optimism. for the first time since the this morning on "world news now" -- economic optimism. for the first time since the economy tanked back in 2008, wall street has hit a very important benchmark. >> as the dow crossed 13,000. but the celebration lasted just moments as the world's economic worries hit home. it's wednesday february 22nd. good morning, everybody. on this hump day. i'm rob nelson. >> hope you all recovered from fat tuesday. i'm paula faris. i'm not sure you did. >> yeah. >> how are you feeling today? >> it's a long show. let's just get rolling. >> it is wednesday, though. >> yes. it was a good moment for investors and the president, who credits lower unemployment for a