Article Photos: Natural gas may have friend in White House 1/2

In this  June 6, 2008,, file photo Rep. Rahm Emanuel, D-Ill., left, talks with Democratic presidential candidate Sen. Barack Obama D-Ill., at a Chicago 2016 Olympic rally at Daley Center Plaza in Chicago. Obama's campaign has approached Illinois Rep. Rahm Emanuel about possibly serving as White House chief of staff, officials said Thursday, Oct. 30, 2008. (AP Photo/Alex Brandon, File)