The U.S. military says it's spending an extra $100 million a month on the war in Afghanistan since Pakistan closed its border to NATO supply convoys. Now, NATO is using a route thousands of miles longer through Russia and Central Asia.

That route passes through Afghanistan's perilous Salang Tunnel, 11,000 feet up in the Hindu Kush mountains. The Soviet-built tunnel was heralded as a marvel of engineering when completed in 1964.

But years of war, neglect and geology have turned it into a dangerous bottleneck.

In Damascus, Syrians now openly speak their minds, but often won't offer a name for the record.

The "wall of fear" is crumbling even in the capital, where the security police have the heaviest presence. Syrians have lived under surveillance and emergency law for years, but after 15 months of anti-government protest and a brutal response by the regime, the killings have changed people.

It's 7 a.m. at the Kimball's Washington, D.C., home. Peter and Leslie Kimball are running up and down the stairs, changing diapers and trying to feed their kids breakfast.

They're packing for a work conference in Orlando, Fla., but they've also planned a surprise for their daughter Lane's birthday: a visit to Disney World.

This summer, more than 200 million people are expected to fly out of U.S. airports. The Kimballs are one of many families flying with their kids.

In Pasadena, Calif., one teacher's devotion is helping kids graduate. Mikala Rahn is the founder of Learning Works, a charter school for kids who have dropped out of traditional schools.

Carlos Cruz is one of the first students she helped graduate. When he started senior year, Cruz realized he was two years behind.

"[I remember] you looking at me and telling me that everything was going to be OK," Cruz tells Rahn, "and me looking back at you, and I'm like, 'How the [expletive] do you think everything is going to be OK?' "

Rahn says it was optimism.

The general presidential election is still months away, but President Obama and presumptive Republican nominee Mitt Romney are already hammering each other with attack ads.

Obama's most recent ads criticize Romney's time as a so-called "corporate raider," while Romney has released several ads seizing upon the president's statement that the "private sector is doing fine."