Top Senate and gubernatorial primaries resume in earnest this Tuesday, June 2, with states trying to adapt during the COVID-19 pandemic and most of the elections being done almost entirely by mail and absentee ballots. There are important primary contests that factor heavily into the overall battle for the Senate and the most competitive gubernatorial race this fall too. Here’s what we’ll be watching on Tuesday night.

Iowa Senate: Can Greenfield turn in a strong performance?

Ernst, 49, has no primary competition, and it’s the race to challenge the Republican in November that will be the most-watched Senate contest of the evening.

Businesswoman Theresa Greenfield, 56, has long been seen as the frontrunner, with endorsements from the DSCC, Senate Majority PAC (SMP) and EMILY’s List, which have spent heavily on her behalf. The Democratic race was overshadowed for months, first by the Iowa presidential caucuses and then by the COVID-19 pandemic. It’s only in recent weeks that the primary appears to have tightened and become engaged, with a trio of debates last week and increased attacks on

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