This compares to results of a September 10 survey by the independent Quinnipiac (KWIN-uh-pe-ack) University showing Sanders at 41 percent, with Clinton at 40 percent. Today, former Maryland Gov. Martin O'Malley gets 4 percent of Iowa likely Democratic Caucus participants, with no other candidate even scoring 1 percent and 4 percent undecided.

Hillary Clinton has jumped out to a significant lead over Bernie Sanders in the latest Iowa poll from Quinnipiac. With Vice President Joe Biden taken out of the equation, Clinton now has an 11-point lead over Sanders, 51 percent to 40 percent.So I guess Jim Webb and Lincoln Chafee leaving the race won't produce any kind of big shake-up in the results of the next poll ...

In a poll released September 10, Sanders had led Clinton by 41 percent to 40 percent, so Clinton's lead now does not come at Sanders' expense. Rather, the fact that Quinnipiac didn't include Biden in the results released for the new poll is key to Clinton's jump—a factor Quinnipiac doesn't exactly stress in its discussion of the poll. That said, 62 percent of the voters polled also said Clinton won the first Democratic debate to just 31 percent giving Sanders the win.