Kansas Sen. Sam Brownback
Note: Brownback’s first-quarter report, the first major fundraising documents his campaign has filed, included activity in December 2006 and thus accounts for receipts and expenditures during a four-month period instead of during the typical three-month quarter.
Notable individual donors (who are allowed to contribute $2,300 to a candidate for a primary campaign and $2,300 for a general election campaign)
Political Action Committees (PACs)
Notable expenditures