Oooh,
this is nice. The Pew Center for the People and the Press have released four primary polls -- national, Iowa, New Hampshire and South Carolina. No trendlines, but at least we have similar methodologies across all four polls.
National
Clark 15
Dean 15
Gephardt 12
Lieberman 12
Kerry 6
Edwards 5
Iowa
| First Choice | Second Choice | Re-Allocated |
Dean | 29 | 21 | 33 |
Gephardt | 21 | 16 | 25 |
Kerry | 18 | 18 | 21 |
Edwards | 5 | 8 | - |
Clark | 3 | 3 | - |
The "reallocated" column is meant to simulate the caucus environment, where supporters of candidates under 15 percent can cast their lot for one of the over-15 candidates.
New Hampshire
| First Choice | Second Choice |
Dean | 34 | 15 |
Kerry | 20 | 18 |
Clark | 8 | 11 |
Lieberman | 8 | 9 |
Gephardt | 5 | 6 |
Edwards | 4 | 6 |
South Carolina
| First Choice | Second Choice |
Edwards | 16 | 7 |
Gephardt | 10 | 11 |
Clark | 10 | 5 |
Lieberman | 9 | 8 |
Sharpton | 8 | 4 |
Dean | 7 | 8 |
Kerry | 3 | 6 |
More results at the Pew site.