Sharon Osbourne flipped on Sheryl Underwood for questioning her defense of Piers Morgan’s controversial comments about Meghan Markle on “The Talk,” and the co-hosts still have not reconciled.“Sharon is pissed at Sheryl because she feels like she helped sow a seed that she’s racist, and [Osbourne]’s unable to rationalize that that’s not what happened,” an insider on the CBS daytime show told Page Six.