rrell brown. >>> digging in. despite some signs of a compromise, the white house says it is ready to go over the fiscal cliff. >>> lighting up legally. this morning a law permitting recreational marijuana use goes into effect in washington state. >>> and royal ruse. australia's shop jocks pose as queen elizabeth and prince charles in a prank phone call to the duchess of cambridge's hospital. >> when can you take me to the hospital, charles? >> when can you come down to take her? maybe in the morning or something, if that's okay. captioning funded by cbs >> this is the "cbs morning news" for thursday, december 6, 2012. >>> good morning, everybody. i'm terrell brown. stunning. that's what they hear after the obama administration is ready to go over the fiscal cliff if the gop doesn't bid on higher taxes. on top earners. a just released poll shows nearly half of those ads say it's time to end tax cuts for the wealthy but keep it in place for americans earning $250,000 or less. 32% say the tax cuts should remain in p