You have to wonder if President Obama ever thought, when he first ran for the White House, that he would need to defend himself from accusations his presidency would be a mere extension of his Republican predecessor.
But there he was with journalist Charlie Rose having to explain why his approach to national security wasn't really like that of President George W. Bush and Vice President Dick Cheney.
Women in the U.S. military will be integrated into front-line combat units by 2016, the Pentagon says. Here, female Marine recruits stand in formation during pugil stick training in boot camp earlier this year at Parris Island, S.C.
Women in America's armed services will have new options for what units they can join in coming years, the Pentagon says. The military said in January that it will end its combat exclusion that set a minimum size for units in which women could be deployed; the limit kept many women away from front-line combat units. The shift means women could join elite forces such as the Army Rangers and Navy SEALs.
In the past decade, Mexico's tech industry has flourished, growing three times faster than the global average. Most of that growth has been fueled by demand from the United States. But as Mexico's startups strive to make it in foreign markets, they say they need more engineers and ways to finance their growth.
The G-8 leaders speaking at this news conference in Northern Ireland all lost their ties, but British Prime Minister David Cameron (right) went a step further by ditching his jacket and rolling up his sleeves.
Credit Vincent Yu / AP
... and none of the flair of the Asia-Pacific Economic Cooperation summit. President George W. Bush and Chinese President Jiang Zemin appeared together in traditional-style silk jackets at the APEC meeting in Shanghai, in 2001.
Credit Charles Dharapak / AP
In 2009, Obama stands with Sarkozy (from left), Russian President Dmitry Medvedev, U.N. Secretary-General Ban Ki-moon and Libyan leader Moammar Gadhafi at the G-8 summit in L'Aquila, Italy. Earlier summits had a more formal sartorial tone ...
Credit Domenico Stinellis / AP
The spouses of the G-8 didn't need style tips for the summit in L'Aquila, Italy, in 2009.
Credit Wu Wei/Pool / AP
It wasn't always so informal. In 2011, European Commission President Jose Manuel Barroso, French President Nicolas Sarkozy, President Obama and Japanese Prime Minister Naoto Kan walk together, in suits and ties, no less, after a meeting at the G-8 summit in Deauville, France.
Credit Matt Dunham / AP
World leaders take an opportunity to show, in the words of the BBC, "that they are getting down to business and doing so in a matey-like manner."
Credit Andrew Winning/WPA Pool / Getty Images
The G-8 leaders speaking at this news conference in Northern Ireland all lost their ties, but British Prime Minister David Cameron went a step further by ditching his jacket and rolling up his sleeves.