A microphone rests on a stool that President Obama used during a town hall meeting about the Affordable Care Act on Tuesday at the Holiday Park Multipurpose Senior Center in Wheaton, Md. Alex Brandon/AP
A Chow Chow dog, dyed to look like a panda, is groomed at the Dahe Pet Civilization Park in Zhengzhou, China, on Tuesday. The park bought four dyed Chow Chows and a Golden Retriever dyed to resemble a tiger (not shown), from a pet market in Sichuan as an attempt to attract visitors, local media said. Donald Chan/Reuters
New Japanese leader Naoto Kan (r) leaves his official residence to go to the Imperial Palace in Tokyo, Japan, on Tuesday. Kan vowed to tackle Japan's huge public debt and keep ties with ally Washington on track as he launched a cabinet that also aims to sideline a scandal-tainted party power broker before an election. Kyodo/Reuters
A general view of Green Point Stadium in Cape Town, South Africa, is seen on Tuesday ahead of the start of the World Cup. Oleg Popov/Reuters
Piglets take part in the pig races during an agricultural exhibition near the village of Liavonavichi, Belarus, on Tuesday. Vladimir Nikolsky/Reuters
A cast member stands on performer Lewis West in a sequence called 'Red Shoes' during a dress rehearsal for their show 'Circa' on Tuesday at the Sydney Opera House. The show mixes elements of a circus with contemporary dance. Rick Rycroft/AP
Sixty English National Ballet dancers from the current production of Swan Lake pose a day before its opening outside the Royal Albert Hall in London on Tuesday. The ballet company, founded by British dancers Alicia Markova and Anton Dolin, began 60 years ago in London. Suzanne Plunkett/Reuters
An Israeli competitor pulls a truck weighing seven tons during the Isuzu Sumo Truck Pull Competition in Tel Aviv on Tuesday. Several dozen men and women took part in Israel's second truck-tugging competition. Individuals and couples pulled trucks of seven and 10 tons of weight. Ariel Schalit/AP
Residents walk through a flooded street in Felsozsolca, Hungary, on Tuesday. Heavy rains caused the Sajo River to swell, flooding parts of western Hungary. Karoly Arvai/Reuters
Slovenian players are seen during a team training session at Hyde Park High School in Johannesburg, South Africa, on Tuesday. Slovenia is preparing for the upcoming World Cup, where they will play in Group C. Ramon Espinosa/AP
Oil-covered pelicans sit in a pen Tuesday waiting to be cleaned at a rescue center facility set up by the International Bird Rescue Research Center in Fort Jackson, La. Reuters
Navarre Beach vacation condos are seen at dusk in Navarre Beach, Fla., on Monday. Coin-sized tar balls began to wash ashore on the beach and large tar mats were spotted offshore as the Gulf oil spill reaches the Florida coast. Tony Avelar/The Christian Science Monitor
A Palestinian boy reads the Koran inside a makeshift mosque in northern Gaza Strip on Tuesday. The Al-Tamimi Mosque, which was destroyed during Israel's three-week offensive in Gaza in 2008-2009, is housed temporarily in the makeshift mosque due to a shortage of construction materials. Mohammed Salem/Reuters
A boat, seen through a plastic sheet, sails on the Bosphorus during a torrential rain storm in Istanbul, Turkey, on Tuesday. Vadim Ghirda/AP
The two oil-producing giants seem to have made a breakthrough last month in their often adversarial relationship, signing several cooperation pacts. But incompatible foreign policies may yet cool the new warmth.
As the world's two biggest oil producers, Russia and Saudi Arabia working together have the potential to dominate the globe's petroleum markets. So far, that hasn't happened, as seemingly irreconcilable differences – and particularly US-Saudi relations – have kept them apart.