Politics Livestream of Wisconsin GOP Senate debate April 11, 2012 | Modified: April 11, 2012 at 1:52 pm Leave a comment The debate begins tonight at 8 p.m. Eastern. Sign Up for the Politics Digest newsletter! Please enter your email address below to begin receiving the Politics Digest newsletter. You must enter a valid email address in the field above! Thank you for signing up for the Politics Digest newsletter! You should receive your first newsletter very soon. We're sorry, there was an error processing your newsletter signup. Please click here to visit our Newsletter Signup Center to register for this newsletter.