“This month’s Democratic primaries in Michigan and Minnesota are already shaping up to be major battles about the party’s future, with voters heading to the polls to choose between moderate members of Congress and insurgent local candidates intent on shaking up the status quo,” NBC News reports.“But on the sidelines of these at times contentious primaries, there’s another battle brewing — a potential early skirmish in Democrats’ 2028 presidential primary. Eight people who are widely expected to run for president in two years have endorsed candidates in the upcoming races.”