Do Secondary Airports in L.A. and San Francisco Work?

Just what is going on in California? JetBlue is drawing down at Long Beach and dropping Oakland altogether, while United is adding flights to small California cities. Can any airline make a go of the Los Angeles Basin's secondary airports? What about the San Francisco Bay Area's secondary airports? Why is Spirit launching one of its longest flights to Oakland? Join Skift's resident Californians, Madhu Unnikrishnan and Brian Sumers, as they discuss airlines in the Golden State (and elsewhere too).