Colorado holds primaries Tuesday that feature a Democratic Socialist, competition for Latino voters and concern in rural areas by voters who feel left out.
Michel Martin is the weekend host of All Things Considered, where she draws on her deep reporting and interviewing experience to dig in to the week's news. Outside the studio, she has also hosted "Michel Martin: Going There," an ambitious live event series in collaboration with Member Stations.
In Venezuela, the devastating twin earthquakes have left thousands sleeping on the street. Shelters are overflowing as relief efforts struggle to keep up.
In Ituri, DR Congo's Ebola epicenter, overwhelmed clinics and a lack of protective gear leave health workers exposed as the outbreak spreads beyond control.
The Iran war and high oil and gas prices have supercharged the adoption of renewables and EVs across the world. Some experts wonder if this year could be the peak of oil demand.