My greatest fear is not the makeup of the Supreme Court - we have four relatively young justices who are reliable in their logic and support an explicit interpretation of the Constitution plus one wimp, like some politicians, who goes both ways.
My big fear is what will happen with the justices one and two levels down. There are a lot more of those than the 9 on the USSC and they form the pool a President normally looks to when choosing a new candidate for the USSC.
Additionally, there are many Federal courts trying many cases. Only a small fraction of those cases get picked up by the USSC which is to say that many/most of these Federal Justices are “the law West/East of the Pecos!” Just look at the 9th Circus out in San Fransissysko.
Exactly...Bush has appointed 57 and Clinton 59 in the Circuits but each only appointed 2 Supremes. BO could possibly appoint that many in four years with a filibuster proof Senate.