What Habbened to Kamala?

How did Vice President Kamala-la-la-la Harris transform from a senate pitbull when trashing Bret Kavanaugh in his confirmation hearings into the nonsense babbling goof we are witnessing today? My theory, either she is not Kamala-La-La-La and has been switched or she had plastic surgery and experienced an anoxic event during the surgery which seems to have widened her nose and at the same time dropped her intellect. I am Joseph Robinette Biden Chancre, Jr, Fellow of the Urban Poverty Law Center