Pelosi just does not want the Democrats to shoot their wad early and wind up with Trump acquitted by the Senate by election time.
I want to hold onto that silver bullet just in case we need it after 2020. I'm pretty confidant at the moment that 2020 will go our way but just in case it doesn't, I want to have a little something in my back pocket.
Good coffee, good weed, and time on my hands...