Pollster.com has an excellent post on signs of erosion in Hillary Clinton's support among college-educated Democrats, in both the Boston Globe / University of New Hampshire and Marist College polls.
In the Boston Globe / UNH poll, respondents were asked a series of questions about the candidates and their characteristics.
College graduates and those with a post-graduate education ranked Clinton first in the following categories:
Strongest leader
37 percent of college graduates and 40 percent of post-graduates ranked Clinton first.
Barack Obama finished second, with 22 percent of college grads and 17 percent of post-graduates.
Most experience
43 percent of college graduates and 46 percent of post-graduates ranked Clinton first.
In second place was Bill Richardson with 15 percent of college graduates and 19 percent of post-graduates.
Best chance of beating the Republican candidate
40 percent of college graduates and 48 percent of post-graduates ranked Clinton first.
Obama finished second, with 25 percent of college grads and 16 percent of post-graduates.
College graduates and post-graduates ranked Clinton below first place in the following categories:
Most trustworthy
14 percent of college graduates and 13 percent of post-graduates ranked Clinton first in this category. She finished third in this category, behind Obama and Edwards.
Can bring needed change to the United States
24 percent of college grads and 24 percent of post-graduates ranked Clinton first. She finished second in this category, behind Obama.
Has shown best judgment
19 percent of college grads and 21 percent of post-graduates ranked Clinton first. She finished second in this category, behind Obama.