Obama’s ethanol rule could make things awkward for the Democratic front-runner.

The Obama administration is set to take sides in the titanic lobbying battle over ethanol between the corn and oil industries — just eight weeks before the presidential caucuses in corn’s sacred ground of Iowa.

The decision, concerning how many billions of gallons of the corn-based biofuel must be blended into the nation’s gasoline supply, threatens to create a political bind for Democratic front-runner Hillary Clinton, who may have to decide once again how far to distance herself from President Barack Obama on an issue of huge importance to a core voting constituency.

Read the article “Clinton’s Iowa Dilemma” on politico.com.