The United Auto Workers is expected on Friday to announce additional work stoppages at Detroit's Big Three carmakers, expanding a strike that has already shuttered assembly plants, parts distribution centers and other facilities across more than 20 states.UAW President Shawn Fain is scheduled to appear in a broadcast on Facebook at 10 a.m. to give an update on the status of labor negotiations with Ford, General Motors and Stellantis (the parent company of Chrysler, Dodge, Jeep and Ram, along with a number of foreign brands). The UAW launched its "stand-up strike" — a rhetorical nod to the "sit-down" strike by GM workers in Flint, Michigan, in the 1930s — on September 15 when nearly 13,000 autoworkers halted work at Big Three assembly plants Michigan, Missouri and Ohio. A week later, anoth...