On November 19, Alabama’s largest newspaper, and two other major newspapers, have an identical front page editorial urging voters to vote for Doug Jones, the Democratic nominee. The editorials also say if the voter cannot do that, the voter should cast a write-in vote. See this editorial from the Birmingham News, which is also in the Mobile Press-Register and the Huntsville Times.
It is conceivable that Roy Moore could change his mind and withdraw. There are precedents from Minnesota and New Jersey that the ballots could be reprinted, with a Republican Party substitute, even though some voters have already voted absentee. If Alabama election laws forbid that, the legislature could theoretically be called into special session to pass an emergency bill authorizing late substitution in case of a late withdrawal. But none of that can happen unless Moore withdraws first.
If Moore does withdraw, justice requires that the Republican Party should be permitted to substitute a new nominee.
A Gravis Poll released November 17 shows that Jones has 47%; Moore has 42%; and undecided or write-in has 11%.