Where the Board of Immigration Appeals ignores a potentially meritorious argument in deciding a motion to reopen a case, it abuses its discretion.The 7th U.S. Circuit Court of Appeals granted a petition for review from a decision by the Board of Immigration Appeals.Tie Xia Chen, a Chinese citizen, entered the United States in 2005. The Department of Homeland Security sought to remove Chen, and Chen applied for asylum, withholding of removal and relief under the Convention Against Torture. Chen contended that Chinese …