Biden is implementing a 100 day federal mask mandate
Which will go
Unenforced (Who's gonna enforce it? He doesn't want to fund the police, and we've seen that the police already don't have the resources to fund this.)
Ignored
Protested
Challenged in court (He does not have the authority to do that: Congress can regulate interstate commerce, so they could spin it that way, but someone can sue for 1st amendment "freedom of speech" but I don't know what judge would take that case)
Which will go