SACRAMENTO, Calif. — Overwhelmed by COVID-19 patients pouring into medical facilities, hospital leaders urged California Gov. Gavin Newsom to temporarily suspend some regulatory requirements so that doctors and nurses “can focus on patient care and not on paperwork.” “It is challenging when we are in the circumstance that we are in, especially in Southern California, in the San Joaquin Valley, where we have zero ICU capacity left,” said Carmela Coyle, president and chief executive officer of the California Hospital Association, in a teleconference Friday with news reporters. “We are creating s…