NEW YORK — Oprah Winfrey got plenty of `likes' on Facebook Thursday from fans who tuned in to watch a live online chat with the social networking site.The TV personality gave a one-hour interview to Facebook Chief Operating Officer Sheryl Sandberg at the company's Palo Alto, Calif., headquarters. The chat took place in front of an audience of Facebook employees who cheered and took photos on camera phones when she walked out.Read More... More on Pop Culture