Dan Proft, a Chicago radio host and head of the Liberty Principles Political Action Committee, has directed $105,610 into the campaign of Dan Caulkins, who is running to succeed Rep. Bill Mitchell, R-Forsyth, in a three-way GOP primary. The same strategist playing a large role in the campaign of conservative governor candidate Jeanne Ives also is a major supporter of a Decatur Republican who is running to succeed Rep.