General Motors Co and Ford Motor Co both said on Thursday they will cut more vehicle production due to a semiconductor chip shortage that has roiled the global automotive industry. Slideshow ( 2 images ) The White House plans a summit on the chip shortage issue next Monday that is expected to include GM Chief Executive Mary Barra and Ford Chief Executive Jim Farley and top technology firm executives. A U.S. auto industry group this week urged the government to help and warned that a global semiconductor shortage could result in 1.28 million fewer vehicles built this year and disrupt production for another six months. President Joe Biden wants at least $50 billion to help boost U.S. semiconductor production, but that will not address short-term needs. “This is something that there is a great deal of focus at the highest level across government,” White House spokeswoman Jen […]