washington u.s. vice president joe biden say thursday deeply involve advise president barack obama pick candidate supreme court say desire name nation high court obama prepare name successor conservative justice antonin scalia die saturday appointment could change court balance power many republican senators want wait nov. presidential election give consent new justice biden long-time chairman senate judiciary committee say interview obama ask advice choose believe president choose consensus candidate even chance sit yet talk potential candidates biden tell msnbc rachel maddow past lay people go survey little bite see think meet criteria think could chance confirm say ask directly whether would job biden say interest never say president certain anything look desire sit supreme court none biden say biden know good work relationship senate majority leader mitch mcconnell say seat remain vacant election biden say would interlocutor friends capitol hill issue say know whether could persuade enough senators support obama choice deeply involve say biden say 'no desire supreme court msnbc