An obscure nonprofit credited with helping liberal candidates win low-profile but crucial races for state legislative and school board seats is expanding to three new states, potentially providing a boost for Democrats seeking to capitalize on President Donald Trump's unpopularity in this year's midterm elections.

In the race for California governor, so many Democratic candidates have crowded into the contest that party insiders have become fearful of a historic calamity in the making.

Hunter Woodall is a political editorial producer for CBS News. He covered the 2020 New Hampshire primary for The Associated Press and has also worked as a Kansas statehouse reporter for The Kansas City Star and the Washington correspondent for Minnesota's Star Tribune.