Meanwhile, arrests are made overnight at the President's campaign headquarters, in both Oregon and California.
Police arrested a handful of protesters at Mr. Obama's headquarters in Oakland, California.
This is video from the scene. Six protestors were filed into a police vehicle and taken to jail.
Police in Portland also took six protesters into custody, on a criminal trespass charge.
Officials say the group was protesting the imprisonment of Bradley Manning, who leaked classified military documents to the website Wikileaks.