Latest on the Colorado firebomb attack on people marching in support of Israeli hostages held in Gaza, Russia-Ukraine talks end without ceasefire, South Koreans head to polls to elect new president.
It plays a big role in deciding which vaccines kids and adults get routinely, what's covered by insurance and which shots are made available free to low-income kids.
In the wake of U.S. aid cuts, Pastor Billy is reminded of his twin sister's death from AIDS. He doesn't want 9-year-old Diana, who's HIV-positive, to meet the same fate.