Original sentence: Following the DPP's poor performance in the 2008 Legislative election, Hsieh replaced Chen Shui-bian as chairman of the DPP with very little hope in the upcoming president election.He also announced that he firmly believed Ma's green card is still valid even AIT (American Institute of Taiwan) unoffically admited Ma's green card was due for the past 20 years when Ma applied a visiting visa with ROC passport.Hsieh called a press conference in which he incorrectly stated that Ma's permanent residency was still active.Hsieh was frequently considered to be a cheating contender for the DPP nomination in the 2008 presidential election, and formally announced his intention to run in the election on February 16.Ma responded by saying that he was a US permanent resident as a student, but that his permanent residency had expired years ago.This incorrect information was based on a Wikipedia article
Edited sentence: Following the DPP's poor performance in the 2008 Legislative election, Hsieh replaced Chen Shui-bian as chairman of the DPP.However, the damage from the green card issue has been done, as Ma's ability to respond to a crisis and his integrity has been called into question with a corresponding drop in his poll rating.Hsieh was frequently considered to be a leading contender for the DPP nomination in the 2008 presidential election, and formally announced his intention to run in the election on February 16.Initially, Ma declared that he did not have a green card but later recanted and admitted that he once possessed a green card but claimed that it is no longer valid.Ma produced photocopies of a passport that has not been verified to be his passport, and claimed that it indicated his innocence.Ma responded by saying that he was a US permanent resident as a student, but that he believed that his permanent residency had expired years ago