July 23, 2019 - PBS NewsHour full episode

Members of Congress aren’t the only ones seeking answers from Robert Mueller in his long-awaited congressional testimony. Viewers from across the country -- and beyond -- submitted their questions to the NewsHour. Lisa Desjardins walks through some of them and reports on how lawmakers will handle the hearings, while Yamiche Alcindor joins Amna Nawaz to discuss the perspective from the White House.

Venezuela is facing an economic crisis, with residents suffering shortages of electricity, food, gas and medicine. Its political fate is also unclear, as U.S.-backed Juan Guaido challenges President Nicolas Maduro. So far, Maduro has clung to power -- but some allies, including his former intelligence chief, have deserted him. Nick Schifrin talks to General Manuel Ricardo Cristopher Figuera.

More than 40 states currently allow people who receive welfare benefits to become eligible automatically for food stamps, or SNAP. But the Trump administration has announced new rules to restrict that automatic eligibility, meaning 3 million may stop receiving food stamps. William Brangham talks to the Urban Institute’s Elaine Waxman about why the move could hurt the people SNAP aims to help.

Although preschool can provide children with a vital foundation for success later in life, only 43 percent of four-year-olds nationwide have access to public preschool. The rate varies widely, with no options available in some rural and low-income areas, sometimes called "childcare deserts." But a community outside Denver has found an innovative way to bring education to kids. Amna Nawaz reports.

In our news wrap Tuesday, police in Puerto Rico fired tear gas as protesters set fires in the streets overnight, continuing to demand Gov. Ricardo Rossello resign. A judge issued search warrants for the cell phones of Rossello and members of his inner circle. Also, the Senate gave final approval to extending benefits for 9/11 first responders through 2092. Comedian Jon Stewart applauded the move.