previous diary entries on today's Suffolk U. poll report have missed pointing out the 1-day numbers chart, which shows a big Kerry drop and a big Dean rise, between Wednesday, Jan. 21 and Thursday, Jan. 22:
http://www.suffolk.edu/suprc/pres/jan23_04/chart007.html
Green = Kerry line. high point: 30 on the 21st, down to 23 on the 22nd.
Blue = Dean line. low point: 17 on the 21st, up to 22 on the 22nd