Polls: Trump loses ground in key battleground states - Axios

Quarterly polling by Republican-founded Firehouse Strategies and 0ptimus finds that President Trump’s lead dropped considerably against both Joe Biden and Bernie Sanders since December in Michigan, Pennsylvania and Wisconsin. ....
https://www.axios.com/trump-biden-sanders-michigan-pennsylvania-wisconsin-polls-6fa3e5ad-9044-45af-987f-397dc2b66cbb.html