[TABLECONTEXT]:POLL_SOURCE:Survey USA####Survey USA:DATE:Jan 4-6, 2008####Barack Obama:DEMOCRAT_%:55####[TABLECONTEXT]:[TITLE]:Opinion polling by state for the United States presidential election, 2008 (Iowa)####Survey USA:DEMOCRAT:Barack Obama####John McCain:REPUBLICAN_%:38####Survey USA:REPUBLICAN:John McCain
Barack Obama had 55% support against John McCain's 38% in the Jan 4-6 2008 poll conducted by Survey USA in Iowa.