Maplight, a 501(c)(3) foundation, recently announced its “extensive mapping project examining the geographic origin of contributions to legislators by state; contributions from companies to legislators by state; and roll call votes by state and district on key bills in Congress.”

Today’s news peg points to “Who in Your State Has Contributed Money to Majority Leader Candidate Kevin McCarthy (R-CA)?”

MapLight looks to be a good edition to our GIS toolbox.