Zuckerberg discloses Facebook working with Russia probe

WASHINGTON — Facebook CEO Mark Zuckerberg disclosed Tuesday his company is "working with" special counsel Robert Mueller in the federal probe of Russian interference in the 2016 presidential campaign — and working hard to change its own operations after the harvesting of users' private information by a Trump campaign-affiliated data-mining company.The founder of the social media giant publicly apologized for his company's errors in failing to better protect the personal information o