Dick Nixon had several defeats such as Governor of Calafornia, to overcome. He always came back again. Wile haveing to resigne and give back the dog was a setback he'll come arround again.
It might finish Nixon's career. Though there was nothing illegal about it, the outcome might be similar to Tom DeLay- acquitted long after his career was destroyed. Alternatively Nixon is exonerated later on and mounts a comeback, but that's very iffy.