Democrats have secretly scheduled an appearance by Hollywood beauties Scarlett Johansson, Natalie Portman and Kerry Washington tonight at their national convention, in a bid to counter Clint Eastwood’s surprise speech at the Republican convention last week in Tampa.

The three actresses are expected to take the stage together at the Time Warner Cable Arena, helping to pump up the crowd before President Obama officially accepts the Democrats’ renomination.

Their support for Obama certainly isn’t a surprise. . .