Theresa Greenfield wins the Democratic primary for US Senate in Iowa

• Theresa Greenfield won the Democratic primary for Iowa's US Senate race to run against Republican Sen. Joni Ernst this fall.
• Greenfield, who has been backed by Senate Democrats' campaign arm, beat Admiral Mike Franken and Eddie Mauro.

Republican Senator Joni Ernst faces a much tougher path to re-election this November after being first being elected to the US Senate in 2014, a GOP wave year.

While Iowa has been steadily trending Republican at the state level for the last several election cycles, the coronavirus pandemic and economic crisis have greatly expanded the Senate map for Democrats, putting Ernst's seat back in play.

Senate Democrats' campaign arm, the Democratic Senatorial Campaign Committee, has thrown their weight behind Theresa Greenfield, an urban planner, real estate developer, and first-time political candidate who officially clinched the nomination on Tuesday.

Greenfield beat out retired Navy Admiral Mike Franken, who clinched the endorsement of the Des Moines Register, businessman Eddie Mauro, and lawyer Kimberly Graham.

The Democratic-aligned Senate Majority PAC has spent an eye-popping $6.7 million on ads in the state supporting Greenfield, who has outraised all her opponents including Ernst in the first half of 2020's second quarter, according to a pre-primary report filed last week.

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