A rider competes in show jumping on the fourth day of the Badminton Horse Trials in Badminton, England, on Monday. Eddie Keogh/Reuters
Peregrine falcon chicks huddle on the roof of a Pacific Gas and Electric building in San Francisco, Calif., on Monday. Researchers from the University of California are banding several baby falcons that live on ledges on the 33rd floor to track their movements and collect data. Falcons are a protected species in California. Marcio Jose Sanchez/AP
Visitors look at an electronically animated giant baby inside the Spanish pavilion at the Shanghai World Expo on Monday in Shanghai, China. Eugene Hoshiko/AP
Antigovernment demonstrators watch from inside a barricade Monday, in Bangkok, Thailand. Thai Prime Minister Abhisit Vejjajiva said he has formulated a plan to solve the country's political crisis, while his deputy said the solution will 'probably' call for dissolving parliament if there is no longer a risk of violence. At least 27 people have been killed and nearly 1,000 wounded in violence between protesters and security forces since March 12. David Longstreath/AP
Indian commuters crowd onto a moving bus in Mumbai, India, on Monday. Public transit on Monday was more crowded than usual due to a disruption in rail services. Rajanish Kakade/AP
First lady Michelle Obama shakes hands with students during the 20th annual National Science Bowl on Monday in Washington. Evan Vucci/AP
Park visitors explore the caves at Maquoketa Caves State Park in Iowa. All caves at the park will be closed to public access Monday for an indefinite period of time, according to the Iowa Department of Natural Resources. The closure is to prevent the spread of a bat disease called white-nose syndrome, which has killed hundreds of thousands of bats in the northeastern US and is moving into the Midwest. Jeremy Portje/Telegraph Herald/AP
A Palestinian family walks next to the separation wall in the West Bank town of Bethlehem on Monday. Bernat Armangue/AP
Indian boys help baby Olive Ridley turtles reach the sea at a beach near Bhubaneswar, India, on Monday. Olive Ridley turtles nest their eggs in parts of the Bay of Bengal Sea's Orissa coast. Biswaranjan Rout/AP
Mexican marines escort arrested crew members at a naval base in Salina Cruz in Mexico's state of Oaxaca on Monday. Mexico intercepted a ship in international waters in the Pacific Ocean carrying 2,400 kg of cocaine. Jorge Luis Plata/Reuters
Japan's Kimiko Date Krumm casts a shadow while preparing to serve to Croatia's Petra Martic during their Estoril Tennis Open first round match on Monday in Oeiras, Portugal. Armando Franca/AP
A pedestrian covers her face as she leaves the area of a man hole explosion near Seventh Avenue and 40th Street in New York City on Monday. Bebeto Matthews/AP
Pedestrians dodge puddles in Times Square on Monday. Activity appeared normal in the wake of a car bomb incident over the weekend in New York City. Craig Ruttle/AP
The talks on South Sudan came on the sidelines of Obama's visit to Ethiopia, his second stop on a trip to East Africa.
ByJulie Pace and Darlene Superville, Associated Press
President Obama launched a personal push for peace in South Sudan on Monday, convening African leaders for urgent talks in neighboring Ethiopia aimed at keeping the world's newest nation from collapsing amid civil war.