Casa delle Libertà
Elected in the 2006 general election as Senator, he, along with Bruno Tabacci continued to show his disagreement of Berlusconi's leadership in the House of Freedoms. Follini also clashed with the rest of his party on several occasions, supporting, again with Bruno Tabacci's support, Giorgio Napolitano's candidacy in the presidential election and successfully campaigning in opposition to the constitutional reform approved by the House of Freedoms in 2005, then cancelled by a referendum.