Milwaukee Bucks executive Alex Lasry is closing in on Lt. Gov. Mandela Barnes in Wisconsin’s Senate Democratic primary, according to a new internal poll. Thirty-four percent of likely Democratic voters support Barnes, while 31 percent are for Lasry, 18 percent back state Treasurer Sarah Godlewski, and 5 percent are behind Outagamie County Executive Tom Nelson, a survey commissioned by Lasry’s campaign found.