This is a story about swamps and bathtubs.
Swamps are a lot larger than bathtubs. And the time it takes to drain a swamp is inversely connected to the speed at which a bathtub could overflow.
Which is precisely the enigma facing House Democrats amid the spate of ethics woes.
The challenge for Democrats is to defy physics and simultaneously drain a swamp before a bathtub fills up.
The odds are against them this August.