In the one-day sample of the American Research Group tracking poll Kerry now – not surprisingly – is ahead. Dean still has a slim lead in the three-day sample. Here is the analysis:

“While Howard Dean has a 2 percentage-point lead over John Kerry in the 3-day average, Kerry has a 1 percentage-point lead in the 2-day average (sample size of 508 likely Democratic primary voters) and Kerry has a 5 percentage-point lead in the one-day sample on January 20 (the sample size of 302 likely Democratic voters, theoretical margin of error ± 6 percentage points). Also, from January 19 to January 20, Wesley Clark is up 1 percentage point and John Edwards is up 3 percentage points. There is no change for Joe Lieberman.”