These IRE and NICAR workshops on using campaign finance data will be held over the next few months in various cities. More information is available at the Campaign Finance Information Center Web site, www.campaignfinance.org/seminar.html

Here are the dates and locations:

Jan. 22-23: Lansing, Mich.

Feb. 5-6: Columbus, Ohio

Feb. 26-27: Springfield, Ill.

March 4-5: Madison, Wis.

March 25-26: Indianapolis, Ind.