Cynically, the push is for it to happen before Moore is either elected, or seated. If it happens before Moore is elected, Dems get a replacement Dem Senator for Al, while claiming the high ground against Moore, and hopefully influencing the election.
If it happens after Moore is elected, it lends backing to McConnell’s stated intent to initiate an ethics investigation of Moore, making it bipartisan. While hypocritical, this doesn’t concern me as much, because if Moore were forced to step down, his replacement would be an appointed Republican, who would likely also prevail in the next election in Alabama.
This “step down” hysteria can’t be because the Dems are concerned about doing the right thing. Clinton didn’t bother them in the least.
There is a difference, which is Franken did these deeds as a sitting Senator.