The Minneapolis student arrested as a material witness in a terrorism investigation last month has been charged by a Minneapolis federal grand jury with conspiracy to provide material support to Al-Qaida. A one-page indictment unsealed Wednesday gives no details about what the government suspects Mohammed Warsame of doing except to say that Warsame, who also went by the names Abu Maryam and Abu Zaynab, conspired starting no later than March 2000 through December 8, 2003. An affidavit released in the U.S. District Court in the Southern District of New York says Warsame told FBI agents on Dec. 8 that he...