Democrats turned out in massive numbers across the country for yesterday’s primaries, sparking a historic surge in mail-in voting and securing key victories including Medicaid expansion in Missouri. While ballots continue to be counted, one thing is clear: less than three months to Election Day, Democrats are energized and eager to vote.

In Arizona:

• AZ Dems: Arizona Democrats Outshine AZGOP In Early Vote, Independents Overwhelmingly Vote Democratic. “Last night, Arizona Democrats crushed 2016’s total voter turnout results with mail-in ballots alone and kept building from there throughout Election Day … In early primary voting across the state, Independents broke for Democrats by a margin of 8,000 votes.”

• The Arizona Republic: Here are 5 things we learned from Arizona’s primary elections. “Turnout was high … Democratic ballots surged the most and actually represented the biggest slice of the electorate, Data Orbital showed. The biggest spike in early ballots for both Democrats and Republicans happened in the 1st Congressional District that spans northeastern Arizona. Democratic ballots swelled 78%, and GOP ballots grew 31%.”

In Kansas:

• More than 179,000 Kansans turned out in yesterday’s Democratic Senate primary, nearly doubling the 94,564 Democrats who voted in the 2016 Senate primary.

In Michigan:

• MI Dems: Michigan Democrats See Enthusiasm in August Primaries. “Tuesday’s primary results continue to show increased enthusiasm among Democrats heading into November … key Democratic base counties saw spikes in turnout over August 2016 primaries. Wayne County turnout increased by over 115%. Washtenaw County saw over 100,000 voters, an increase of over 165%. In Genesee County, turnout nearly doubled, increasing by 96%. The increase in absentee voting was especially pronounced in counties that supported Clinton, with a 223.8% increase.”

In Missouri:

• NPR: Missouri Voters Approve Medicaid Expansion Despite Resistance From Republican Leaders. “Voters in Missouri approved creating a state constitutional amendment that will open Medicaid eligibility to include healthy adults starting on July 1, 2021. Voters approved expansion by a vote of 53.25% to 46.75%. A total of 1,263,776 voters weighed in on the measure.”

In Washington:

• In Washington’s nonpartisan gubernatorial primary, Democratic Governor Jay Inslee currently leads his closest Republican challenger by 35 percentage points.