'Everybody' grieves Doris Roberts on Twitter

It was just a few days ago that Doris Roberts was sharing a TBT with the Fuller House cast on Twitter, and raving about Cary Grant "in all those Alfred Hitchcock movies: Suspicion, Notorious, To Catch a Thief, & North by Northwest!" on her Facebook page. Surely in a syndicated block somewhere, the Emmy award-winning caustic mother on Everybody Loves Raymond is probably making a stranger laugh right now. Here's what the stars are sharing about Roberts, who died Sunday at 90.