In their final debate, Iowa gubernatorial candidates Zach Lahn and Rob Sand discussed mental health access and their approach to “culture war” issues.

Before you head to the polls, you can learn more about who’s running for office here and where they stand on the issues.

Democrats are favored to retake the House, but the fight for the Senate is tighter. Democrats must pick up four seats to retake control. The states to watch: Alaska, Iowa, Kansas, Maine, Michigan, Ohio and Texas.

Democratic Senate candidate in Iowa, Josh Turek, joins MS NOW’s Lawrence O’Donnell to discuss what he’s hearing from Iowa voters who are struggling from high prices and says he welcomes Donald Trump’s visit to Iowa because “it’s important he sees what bad federal policy has done to this state.

Senate Republicans see Iowa moving their way and Ohio slipping, with pessimism growing over Alaska and Kansas. Why it matters: Even when they squint, top Republicans struggle to see a majority beyond 51 seats,

FNC's Bret Baier runs down the latest "power rankings" based on polls for toss-up Senate races, the closest of which are Maine, Michigan, Iowa, Texas, and Alaska.