Just hours after rioters were cleared from the Capitol on Wednesday, there was already discussion about what would happen next on Parler and Gab, another social-media platform that has become popular with the far right.Mr. Trump was expected to take his megaphone to the platforms, and tens of thousands joined those sites expecting him to land there. But by Monday night, Parler was mostly offline. Gab had also become largely unusable, as a flood of new users and downloads appeared to crush the site, making it impossible to search for, or post, new items.Some groups have moved to …
