538 had an article a little bit back about how the next (4 years) president isn't actually likely to reshape the court much. if 'pubs aren't Fake Sugar Dick (WARNING, NOT THE REAL SUGAR DICK!) and go ahead an confirm garland before it's too late, they calculated that there was only like a 15% chance or something like that of another vacancy coming up in four years, and if one did open up, it would mostly likely be to replace one of the already liblib judges.