Sen. Obama has not released his tax returns , except for 2006 , '' Clinton spokesman Phil Singer said in a statement sent to reporters just as the Obama camp posted the Illinois senator 's returns online . Sen. Clinton says she expects to release returns `` shortly '' Obama campaign releases senator 's 2006 returns on Web site . Obama made 165,000 in 2006 , returns show . Campaign challenges Obama to release 2000-2006 returns .
Sen. Clinton says she expects to release returns `` shortly '' Obama campaign releases senator 's 2006 returns on Web site . Obama made 165,000 in 2006 , returns show . Campaign challenges Obama to release 2000-2006 returns .