lindner supported the republican party. during the 2004 election, the lindner family contributed tens of thousands of dollars to republicans, including the republican national committee and several politicians. in 2004, the republican national committee named lindner as one of 62 "super rangers", the highest level of fundraising recognition, accorded to those who raise $300,000 or more. lindner, an ally of george w. bush, secured the use of great american ball park for bush's re-election campaign on october 31, 2004, two days before the 2004 presidential election.