Democratic U.S. Senate candidate Mandel Barnes’ campaign released a new internal poll this week that showed the Lt. Governor had the support of 48% of likely voters while his opponent U.S. Senator Ron Johnson (R-Oshkosh) was backed by 46%. Of those polled, 6% were still undecided. The poll of 888 likely voters voters was conducted by Clarity Campaign Labs October 27-31 using a mix of automated calls to landlines and live calls to cellphones. The margin of error is +/- 3.3%. FiveThirtyEight rates Clarity Campaign Labs a B/C pollster.