 On one side are the pan-Blues, consisting of the Chinese Nationalist Party (Kuomintang, or KMT) and two spin-off parties, the People First Party (PFP), and the New Party.Facing them are the pan-Greens, led by the Democratic Progressive Party (DPP), and its ally the Taiwan Solidarity Union (TSU).Since the accession of Chen Shui-bian of the DPP to the Presidency in 2000, the Blue-controlled legislature had struggled to oust him, making changes to the impeachment process early in his administration, and attempting to recall him several times.