April 2, 2020: America First Action is spending $10 million to target Joe Biden in Pennsylvania, Michigan, and Wisconsin. Biden expects the Democratic National Convention to be postponed from July to August. ![blank](http://go.pardot.com/images/addthis/16x16/blank-block.png)
Ballotpedia is monitoring changes made to election dates and procedures in response to the coronavirus pandemic.
Here are the presidential primary updates you need to know:
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