Why is it desirable to be judged by a jury of one's "peers"? We demand that our

Read another response by Nicholas D. Smith
Read another response about Justice, Punishment
Why is it desirable to be judged by a jury of one's "peers"? We demand that our doctors, business executives and politicians be highly exceptional individuals. So why should we trust court decisions, which can often be both incredibly important and incredibly difficult, to random groups of laypersons?