In Iowa, President Obama's re-election campaign is already in gear, with staff and volunteers on the ground.
The Obama campaign hopes its head start over the campaign of Republican Mitt Romney — who until recently had been focused on fending off GOP opponents — will make the difference in November in this swing state.
The Obama campaign headquarters in Des Moines is a former Blockbuster Video store, where this week a couple of dozen 20-somethings tapped away at laptops, painted signs by hand and worked the phones.
Actress Isabelle Fuhrman, one of the stars of The Hunger Games, kicks it old school when it comes to communication: "I don't like to text; I use it to make plans with people, but I prefer to call. You can hear the intonation in their voice and you can really connect to them."
The United States has never won an Olympic medal in table tennis. China has long dominated the sport, winning almost every medal since 1992. That's not likely to change at this year's Summer Olympics in London, but a group of young American women may be on their way to competing at the sport's highest levels.
Ariel Hsing, 16, already has the attributes of a fine table tennis player — quick hands, perfect balance and strong lungs. While she plays, she'll often shout "Sa!" — a meaningless word — to help relieve stress, something she's been dealing with a lot lately.
North Carolina is the only Southern state without a constitutional amendment banning gay marriage. But that could change next month.
On May 8, voters will decide whether to change the state constitution to ban same-sex marriage, as well as civil unions and domestic partnerships. Leading Republican lawmakers think it's one of the most important issues facing voters.
But some conservatives worry that the measure goes too far.
Germany plans to take all of its nuclear power plants offline by 2022, which means coal-fired power plants like the Kraftwerk Westfalen, in Hamm, Germany, will be a key component of the country's energy infrastructure.
Energy ministers from around the world met in London this week and got a scolding. The International Energy Agency warned the ministers that they are falling way behind in their efforts to wean the world from dirty sources of energy. Nations are nowhere near being on track to avert significant climate change in the coming decades.
It turns out that right now, just about everything is conspiring to make it harder to clean up the world's energy supply.
Amr Moussa, the front-runner in the Egyptian presidential race, speaks during a press conference in Cairo on Apr. 22. The country's election commission said Thursday that Moussa and 12 other candidates are eligible to compete in next month's election.
Ahmed Shafiq, who served as prime minister under Hosni Mubarak, will be allowed to take part in Egypt's presidential race. The country's election commission said Thursday that he is eligible, one day after he had been ruled ineligible. In this photo, he's shown speaking at a news conference in February 2011.