Millennials are an essential ingredient in any Democratic Party victory coalition. Barack Obama won this group with 66% and 61% in 2008 and 2012 respectively. A new poll by Zogby Analytics of 448 likely Democratic primary and caucus voters between the ages of 18 and 34. conducted August 25, shows former Secretary of State Hillary Rodham Clinton leading her main challenger, Vermont Senator Bernie Sanders by only 11 points among this group - 38% to 27% -- with Vice President Joe Biden in third place at 12%, former Maryland Governor Martin O'Malley with 8%, and former Virginia Senator Jim Webb at 2%. One in eight of these young voters (12%) either supports another candidate or is not sure.

The Zogby Analytics Poll was conducted online and has a margin of sampling error of +/- 4.7 percentage points.

The news is that Mrs. Clinton leads but not by a lot just yet. She leads Mr. Sanders and Mr. Biden among both young men (39% to 26% to 11%) and young women (40% to 25% to 14%), 25-34 year olds (45% to 26% to 10%), independents (38% to 29% to 9%), Hispanics (43% to 34% to 4%), Catholics 43% to 25% to 8%), and self-identified members of the Investor Class (39% to 36% to 5%).

But Mr. Sanders is ahead among 18-24 year olds with 30% to Mrs. Clinton's 21% and Mr. Biden's 17%, and among the self-identified Creative Class 40% to 34% for Mr. Clinton and 8% for Mr. Biden.

Among African American voters, who comprise one in five total Democratic primary voters nationwide, Mr. Biden is ahead with 33% to Mrs. Clinton's 31% and Mr. Sanders' 17%.

Also of great significance is the early showing of Mr. O'Malley who is polling 8% overall and is doing even better among younger independents (10%) and Catholics (11%) than other groups.

With 13% undecided or backing another candidate at this time, there is a lot of fluidity among Millennial Democratic likely voters. This includes 18-24 year olds who, not surprisingly, are undecided and probably not too focused on the campaign just yet. At this point they have 24% who are still not sure.

What appears certain thus far is that Millennial Democrats have not closed ranks on a candidate just yet, that Vice President Joe Biden could mix things up considerably if he jumps in, and that this group is absolutely essential to win in November 2016. Right now, the Democratic nomination appears to be open and unsettled. The big question is whether or not Millennials will even bother to vote in the caucuses or primaries.