sentences:  Throughout the Adrian Năstase premiership (2000-2004), Cioroianu remained critical of the Social Democratic Party's policies on education, and questioned the decision taken by the Minister of Education, Ecaterina Andronescu, regarding restrictions on the number of textbooks receiving official approval.Cioroianu entered politics as a PNL member in 2002, when he became an adviser on Theodor Stolojan's staff.In 2004, he was elected to the Senate for Timiș County, a member of the Justice and Truth group inside the Parliament of Romania.