As Hillary Clinton builds a large lead against Bernie Sanders among Democrats nationwide, it appears that Martin O’Malley is cutting into the Vermont Senator’s base of support. A new Zogby Analytics Poll of 373 likely Democratic caucus and primary voters, conducted nationwide online January 19-20, shows Mrs. Clinton with 49% support, Mr. Sanders at 27%, and Mr. O’Malley with 10%. One in seven Democrats are still undecided.

Mrs. Clinton leads among men (49% to 29% for Sanders and 14% for O’Malley) and women (49% to 25% for Sanders and 7% for O’Malley). It is a much closer horse among 18-29 year olds with Mrs. Clinton at 40% to Mr. Sanders’ 33% and Mr. O’Malley’s 23%. Mrs. Clinton polls 55% among 30-49 year olds (to 25% and 5% for Sanders and O’Malley), 51% among 50-64 year olds (to 26% and 7% for Sanders and O’Malley), and 48% among those over 65 (to 28% and 8% for Sanders and O’Malley).

Mrs. Clinton is solid among Democrats (61% to 22% for Mr. Sanders and only 7% for Mr. O’Malley), but the tables are turned among independents with Mr. Sanders leading at 45% to Mrs. Clinton’s 20% and Mr. O’Malley’s 13%. Liberals support Mrs. Clinton 62% to 25% over Mr. Sanders and 7% for Mr. O’Malley. She also has strong support among self-described moderates (45% to 32% for Mr. Sanders and 7% for O’Malley). About one in five voters in this sample described themselves as “conservative” and the results were interesting: 32% Clinton, 23% O’Malley, and 20% Sanders.

Mrs. Clinton maintains an 8 point advantage over Mr. Sanders among white Democrats (41% to 33% for Mr. Sanders to 9% for Mr. O’Malley), and just an 8 point advantage among Hispanics (40% to 32% for Mr. Sanders and 20% for Mr. O’Malley). But she continues to be bolstered by deep support among African American voters – 72% to only 13% for Mr. Sanders and just 2% for Mr. O’Malley. African Americans represented 22% of the sample.

At this stage, Mrs. Clinton is triumphant nationally, a lead perhaps enabled by Mr. O’Malley’s little bump in the polls. For Mr. Sanders it will take double wins in Iowa and New Hampshire to change the national standing. This could indeed happen. Voters in both Iowa and New Hampshire have been known to surprise the nation.