Gates' giving helps build United Way center in Alexandria

Gates' giving helps build United Way center in Alexandria: "But it is her name that graces a new $17 million conference and learning center at the Alexandria headquarters of United Way Worldwide. Her husband, Bill Gates Sr., and son, who founded Microsoft, were at the conference center's unveiling last Wednesday to talk about the status of philanthropy today and the creation of the Bill & Melinda Gates Foundation, considered the largest charitable foundation in the world."