California could begin reopening in a 'matter of weeks,' former FDA chief says

To understand what's ahead in the battle against coronavirus, there's no better person to speak with than Dr. Mark McClellan, a leading public health expert at Duke University and a co-author of the "National Coronavirus Response: A Road Map to Reopening" To understand what's ahead in the battle against coronavirus, there's no better person to speak with than Dr. Mark McClellan, a leading public health expert at Duke University and a co-author of the "National Coronavirus Response: A Road Map to Reopening" SAN FRANCISCO (KGO) -- To understand what's ahead in the battle against coronavirus, there's no better person to speak with than Dr.