Lakefront Gateway http://wuwm.com en Council Approves TIF Plan to Help Pay for $400 million Northwestern Mutual Office Tower http://wuwm.com/post/council-approves-tif-plan-help-pay-400-million-northwestern-mutual-office-tower <p></p><p>The insurance giant Northwestern Mutual wants to build a $400 million office tower, that would be at least 30 stories tall, on the corner of Cass and Mason, in downtown Milwaukee. It would replace a 16-story building from the 1970s.</p><p> Wed, 01 May 2013 15:09:18 +0000 Ann-Elise Henzl 1804 at http://wuwm.com Council Approves TIF Plan to Help Pay for $400 million Northwestern Mutual Office Tower