In a California Healthline report by Ali Budner, experts discussed the possible pitfalls and promise of SB 4, a recently introduced legislative bill that would provide health coverage to the uninsured. The effort comes on the heels of two major shifts in low-income programs -- the expansion of Medi-Cal to include millions more Californians, and the recent federal executive action that extends temporary work status and other benefits to millions of the undocumented immigrants in America, including the roughly 1.5 million undocumented in California.