Iowa state Auditor Rob Sand is seen in his office at the Iowa State Capitol in Des Moines. Multiple presidential campaigns have sought Sand’s endorsement in the final stretch before next month’s caucuses, which he has declined to give. Clay Masters/Iowa Public Radio hide caption Iowa state Auditor Rob Sand is seen in his office at the Iowa State Capitol in Des Moines. Multiple presidential campaigns have sought Sand’s endorsement in the final stretch before next month’s caucuses, which he has declined to give. A wide open competitive presidential primary should be a moment of opportunity and peak political leverage for ambitious and aspiring politicians in places like Iowa. But one of the most sought-after Democrats in the first-in-the-nation caucus state isn’t interested in endorsing a presidential candidate. As the youngest of a handful of Democrats in statewide office in Iowa, state Auditor Rob Sand, who was elected in 2018, is often mentioned as a potential future U.S. Senate or gubernatorial candidate. But despite getting courted by candidates ranging from Sens. Elizabeth Warren and Cory Booker, Sand says endorsements “barely” matte...