• Democrats are moving aggressively to defend their majority in the House in 2020, and rushing to protect the seats they hold in districts that supported the president in 2016.
• The number of Democratic presidential candidates has hit 22: Gov. Steve Bullock of Montana joined the race, vowing to elevate the issue of campaign finance and, more implicitly, to make Democrats competitive again across the country’s interior.
• Elizabeth Warren said that she would not participate in a Fox News town hall as some other Democratic candidates have, calling the media outlet “a hate-for-profit racket” that seeks to turn Americans against each other.
• Tensions between Mr. Biden and other Democrats over his stance on climate change have escalated, after Representative Alexandria Ocasio-Cortez lashed out at “middle ground” approaches to the issue in a thinly veiled criticism of the former vice president.
Today’s On Politics briefing was compiled by Margaret Kramer in New York.
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