. >> mason: at least 76 large wildfires are burng they've destroyed nearly 1.5 million acres. a satellite image earlier this week showed smoke drifting all the way to the great lakesond. while the fires have forced many indoors, these golfers in washington state were undaunted by the wall of flames raging across the border in oregon. the credit report company equifax today revealed it was targeted by a major cyber attack earlier this year. equifax says hackers may have stolen personal information, including social security and credit card numbers, from as many as 143 million customers. the company is now alerting those customers affected. amazon announced plans today to hire as many as 50,000 people to fill a brand-new second corporate headquarters. the online retail giant, currently based in seattle, wants to open its $5 billion second home near a north american city to be selected next year. up next, the americans win, >> mason: for years, fans have wondered about the state of american tennis. no american man has made the semifinals at the u.s. open since 2006. but jericka duncan assures us this year, there's no need t >> reporter: when coco vandeweghe and madis