MILWAUKEE, WI — Vice President Kamla Harris took the Democrats’ convention on the road on Tuesday, as she and running mate Minnesota Gov. Tim Walz headed to nearby battleground Wisconsin.Speaking in front of a packed Fiserv Forum, the same arena where the Republicans held their national nominating convention one month ago, Harris pointed to her battle against former President Trump, saying “this is not 2016 or 2020,” and warning that “the stakes are higher.“Portions of the rally in Milwaukee, Wisconsin’s largest city and a blue bastion in a crucial purple state, were beamed into the United Center 90 miles south in Chicago, site of the four-night Democratic National Convention.CLICK HERE FOR FOX NEWS UPDATES FROM THE DEMOCRATS’ CONVENTIONAnd the crowd of Democratic activists and supporters in Milwaukee — which the campaign put at over 1 …