United HealthCare wants to get on the Covered California bus, but the state marketplace isn't inclined to allow insurers on board that weren't part of the launch in 2014. Marcio Jose Sanchez/AP hide caption

itoggle caption Marcio Jose Sanchez/AP

Sara Martín reads bedtime stories with her children. When the kids were younger, she says, staying up to date on their frequent immunizations was tough, because of cost and transportation issues. Lauren M. Whaley/CHCF Center for Health Reporting hide caption

itoggle caption Lauren M. Whaley/CHCF Center for Health Reporting

Leah Russin, of Palo Alto, Calif., holds her son, Leo, 16 months, as she speaks Wednesday at a news conference in support of proposed state legislation that would require parents to vaccinate all school children. Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP

Lori Lomas, an insurance agent with Feather Financial in Quincy, Calif., has noticed that her clients in San Francisco have many more health carrier options than her mountain neighbors. Pauline Bartolone for KXJZ hide caption

itoggle caption Pauline Bartolone for KXJZ

A postcard of Junipero Serra from around 1915. Pope Francis recently announced that he will canonize Serra when he travels to the U.S. this fall. Lake County Museum/Corbis hide caption

itoggle caption Lake County Museum/Corbis

Rhett Krawitt, 6, outside his school in Tiburon, Calif. Seven percent of the children in his school are not vaccinated. Courtesy of Carl Krawitt hide caption

itoggle caption Courtesy of Carl Krawitt

Lou Graham prepares taxes in Connecticut and is ready to answer client questions about the Affordable Care Act. Jeff Cohen/WNPR hide caption

itoggle caption Jeff Cohen/WNPR

A Kaiser mental health worker with the National Union of Healthcare Workers looks through a pile of signs Monday during day one of a week-long demonstration outside of a Kaiser Permanente hospital in San Francisco. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Fal Allen (right) shares a brew with W. Dan Houck. Both men work at Anderson Valley Brewing Company, where Allen's the brewmaster. He's also something of a Boontling scholar. Stina Sieg For NPR hide caption

itoggle caption Stina Sieg For NPR

Dennie and Kathy Wright sift through a stack of medical bills at their home in Indian Valley, Calif. Pauline Bartolone for NPR hide caption

itoggle caption Pauline Bartolone for NPR

Gov. Jerry Brown speaks to the crowd during the California High-Speed Rail Authority groundbreaking event in Fresno. The $68 billion project faces challenges from Republicans in Congress, and from Central Valley farmers suing to block the train from crossing their fields. Gary Kazanjian/AP hide caption

itoggle caption Gary Kazanjian/AP

Palliative medicine physician Michael Fratkin gets off a plane after visiting a patient on the Hoopa Valley Indian Reservation. He's recently launched a startup to support this kind of work. April Dembosky/KQED hide caption

itoggle caption April Dembosky/KQED

Need a gift for a 20-something kid about to age out of the family's health plan? Juana Rivera (left) discusses insurance options with Fabrizzio Russi, an agent from Sunshine Life and Health Advisors, at the Mall of the Americas in Miami. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images

People celebrate after California Gov. Jerry Brown signed bill AB60 on Oct. 3, 2013, in Los Angeles. Also known as the Safe and Responsible Driver Act, it allows undocumented immigrants to apply for state driver's licenses. Kevork Djansezian/Getty Images hide caption

itoggle caption Kevork Djansezian/Getty Images