Overrated and overacted
This movie earns a lot of its praise for simply being bold for its time. What isn't often noted is the overacting of some, to include Jimmy Stewart. The way he plays his part is to be so much more clever than anyone else involved. The local D.A. is so broadly played as to be a joke. You would think this was this first time he had ever tried any case and seems ready to break into tears as Stewart makes snarky statement after snarky statement.
George C. Scott does as always his superb job.
Not until Ito, would a judge be as ineffectual and allow a defense lawyer(s) to run wild. That doesn't take away from the performance of the actor, he does apparently what Preminger wanted.
The thing that seems most interesting to me is the celebration, at this time of the defense lawyer's skill in subverting actual justice. The next 45 years following the film would help show what a terrible effect this would have on, in the real world, on our justice system.
There are two types of people in the world, those who divide people into two types and ........