Blago Defense Can't Subpoena Obama Ex-governor's lawyers want president to testify in corruption trial By Nick McMaster, Newser Staff Posted Apr 30, 2010 3:34 PM CDT 8 comments Comments Former Illinois Gov. Rod Blagojevich arrives at the federal court building in Chicago for a status hearing in his upcoming federal corruption trial, April 21, 2010. (AP Photo/M. Spencer Green) (Newser) – Rod Blagojevich will not be permitted to subpoena President Obama as he defends himself against charges that he tried to sell or barter Obama's vacant Senate seat after the 2008 presidential election. The judge in the former governor's forthcoming corruption trial did leave to door open to calling the president to testify "should it become necessary," a lawyer for Blagojevich tells the Chicago Tribune.