View Comments After months of wavering between tightening and loosening travel restrictions intended to keep the coronavirus from spreading, businesses in San Diego and the rest of California are cautiously optimistic as the days tick toward June 15, the date Gov. Gavin Newsom has set to determine whether the state will fully reopen. Most see reopening as a large step toward reviving a tourism industry greatly hurt by the uncertainty of ever-changing COVID-19 restrictions. As tourists start returning to southern California, some San Diego business owners are looking toward the annual summer migration of Arizonans to their sunny beaches and temperate climate as a bellwether of recovery.