News Summary: YouTube offers new iPhone app

Late Thursday, a bridge over the Skagit River north of Seattle collapsed, taking at least two cars (and the people inside them) with it. 

There's a happy ending to the story of a dog, found alive in the rubble after a massive tornado devastated Moore, Oklahoma: she's been reunited with her owner.

Ultimately, many of the photos and cellphone records of Trayvon Martin released online Thursday by George Zimmerman’s defense attorneys – indicating that the slain teenager smoked marijuana, got into fights at school, and had an interest in, and perhaps access to, guns – may be ruled inadmissible in court. But they are already making the rounds in the court of public opinion, which can influence everything from fundraising efforts to the mind-set of potential jurors in Mr. Zimmerman's murder trial.

At least according to one new study

Rampaging immigrant youths have upended the country's reputation as a prosperous refuge

Michelle Obama and daughters Sasha and Malia are looking at an extended vacation on Martha’s Vineyard this summer, according to a report in The Boston Globe. The Globe might have something here – it’s almost a local Vineyard paper, after all.