Why are we applauding 'cripping up'?

Eddie Redmayne as Stephen Hawking in The Theory Of Everything.

Eddie Redmayne, who won a Golden Globe for playing Stephen Hawking, is the latest in a long line of non-disabled actors to portray disabled characters.

IF you do a film about the Holocaust, you’re guaranteed an Oscar, goes the famous Kate Winslet joke in Extras. The same can be said for an actor doing a film about disability. Unless you’re a disabled actor, that is. Then you’re lucky to even get the part.