The Zogby International /C-Span tracking poll of 844 likely Democratic voters conducted January 4-6 has Obama at 39%; followed by Clinton, 29%; Edwards, 19%; and Richardson, 6%. In yesterday's release, which covered polling done January 2-5, Clinton led Obama 31%-30%. In Zogby's final pre-Iowa survey of New Hampshire sentiment, Clinton led Obama 32%-26%. On the GOP side, the poll of 834 likely Republican voters shows little change in recent days; McCain leads with 34%; followed by Romney, 29%; Huckabee, 10%; Giuliani, 9%; and Paul, 6%.