Election live updates: Democratic incumbents score wins in Massachusetts

What to know today MASSACHUSETTS PRIMARIES: Democratic Sen. Ed Markey defeated Rep. Seth Moulton in the Senate primary in Massachusetts in a victory for the party’s progressive wing. Reps. Stephen Lynch, and Richard Neal, meanwhile, defeated younger, more progressive primary challengers in a pair of high-profile tests for House incumbents after a turbulent primary season. DEMOCRATS’ PLANS: House Minority Leader Hakeem Jeffries, D-N.Y., outlined four agenda items for a potential Democratic House majority that set a direct contrast with President Donald Trump: reversing Medicaid cuts, extending Affordable Care Act tax credits, asserting Congress’ authority over tariffs and ending the Iran war. SUPREME COURT AMENDMENT: House Speaker Mike Johnson, R-La., said Republicans will introduce a constitutional amendment today that would mandate a maximum number of nine justices on the Supreme Court.

Live updates and the latest news as Democratic incumbents Sen. Ed Markey and Rep. Stephen Lynch notch wins in Massachusetts, Hakeem Jeffries discusses his House agenda, and Mike Johnson proposes a constitutional amendment to preserve the Supreme Court at nine justices.