Republican majority at risk? A look at the 6 GOP Senate seats most in jeopardy

Senate Republicans face tough midterm battles defending their 53-47 majority, with Maine's Collins and seats in North Carolina, Ohio most vulnerable.

Republican majority at risk? A look at the 6 GOP Senate seats most in jeopardy
Senate Republicans face tough midterm battles defending their 53-47 majority, with Maine's Collins and seats in North Carolina, Ohio most vulnerable.