Among the 500 likely Democratic voters surveyed Dec. 9 to 13, Obama, a first-term U.S. senator from Illinois, was the choice of 50 percent; Clinton, a senator from New York who was born in Chicago and raised in Park Ridge, followed with 25 percent.
Former U.S. Sen. John Edwards of North Carolina was a distant third with 7 percent support in the poll, while New Mexico Gov. Bill Richardson, U.S. Sen. Joe Biden of Delaware and U.S. Rep. Dennis Kucinich of Ohio each had 2 percent. U.S. Sen. Christopher Dodd of Connecticut had less than 1 percent while another 11 percent of those surveyed were undecided.
http://www.chicagotribune.com/news/politics/chi-poll-bd16dec16,0,3243519.story?coll=chi_tab01_layoutIn the Democratic primary, Sen. Hillary Clinton leads Illinois Sen. Barack Obama 55 - 17 percent, with 7 percent for former North Carolina Sen. John Edwards. This compares to a 49 - 12 percent Clinton lead October 17.
http://www.quinnipiac.edu/x1318.xml?ReleaseID=1129