DETROIT — In a nod to Michigan’s importance among swing states, Donald Trump will hold his last campaign event in Grand Rapids late election eve Monday. That’ll make River City the former president’s final stop in all three of his campaigns. A nine-year journey that started with an escalator ride at Trump Tower will end at downtown’s Van Andel Arena in Michigan’s second-largest city. “Michiganders love a late-night rally, and President Trump loves Michigan,” Victoria LaCivita, the Trump campaign’s Michigan spokeswoman, told The Post. “From the beginning, Team Trump has known that the path to the White House runs directly...