Early voting opens in Missouri today, giving voters on both sides of the state line two weeks to cast a ballot before the Nov. 3 election. Why it matters: Missourians are being asked to revisit several issues they've already voted on, and early voting gives them more time to weigh in. How it works: You don't need a reason to vote early. A 2022 state law lets any voter cast an in-person ballot during that window. Bring a photo ID, such as a...