Hillary Rodham Clinton returned to Iowa Sunday to pay tribute to the state's retiring Democratic senator as anticipation builds over the possibility of another presidential campaign in 2016 .

Clinton and her husband, former President Bill Clinton, were to headline Sen. Tom Harkin's annual steak fry fundraiser in rural Indianola.

Clinton finished third behind Barack Obama and former Sen. John Edwards in Iowa's leadoff presidential caucuses in January 2008, and the former secretary of state has not returned since. Iowa Democrats said Clinton remained widely popular and predicted she would receive broad support if she chooses to run again.

Clinton has said she expects to decide on another campaign early next year.

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