Google and Facebook, a major presence at CPAC last year, were nowhere to be seen this year amid claims of anti-conservative bias on their platforms (Michael M. Grynbaum/New York Times)

Michael M. Grynbaum / New York Times:
Google and Facebook, a major presence at CPAC last year, were nowhere to be seen this year amid claims of anti-conservative bias on their platforms  —  OXON HILL, Md. — A year ago, attendees at the Conservative Political Action Conference, the annual jamboree of the political right …