Clay Masters

Clay Masters is a reporter for Iowa Public Radio and formerly for Harvest Public Media. His stories have appeared on NPR

If Republicans don't hold hearings on the nomination of Merrick Garland to the Supreme Court, Democrats believe the issue could help them win the Senate this November.

One test case for this proposition is Iowa Senator Chuck Grassley, who chairs the Senate Judiciary Committee that oversees Supreme Court nominations.

At 82 years old, Grassley has coasted safely to re-election for decades and is seeking his seventh Senate term this fall.

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ARI SHAPIRO, HOST:

Republican presidential candidate Ted Cruz is stepping up his game in Iowa.

The first term Texas senator has picked up influential endorsements there and is drawing bigger crowds.

At the stage of the race when many caucus-goers are still deciding who to support in the first in the nation presidential caucus, Cruz is making a big play for Iowa evangelical voters, who helped Mike Huckabee in 2008 and Rick Santorum in 2012 win the Iowa Republican caucuses.

Copyright 2015 NPR. To see more, visit http://www.npr.org/.

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KELLY MCEVERS, HOST:

For decades, many presidential candidates campaigning in Iowa have made sure to offer their loud support for ethanol — the fuel made from corn.

Ethanol is an important industry in Iowa. The state is the top producer of ethanol in the nation, accounting for 28 percent of national production, according to the U.S. Energy Information Administration.

But this election cycle, ethanol is not the campaign force it once was.

Take the contrast between George W. Bush's 2000 presidential campaign and the current campaign of his brother, Jeb Bush.

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