Party leaders on both sides of the aisle rally voters in the final week leading up to the midterm elections. NBC News' Steve Kornacki previews the close Senate race in Ohio as former Sen. Sherrod Brown (D) seeks to topple incumbent Republican Sen. Jon Husted. Former White House attorney Ty Cobb warns of potential election interference. Kentucky House candidate Zach Dembo (D) discusses his bid to flip a district President Trump won by double-digit margins in 2024.