I would say that the Pentagon Papers case of 1971 - in which the government tried to block the The New York Times and The Washington Post that they obtained from a secret study of how we got involved in the war in Vietnam - that is probably the most important case.
The best advice is to take it easy, respect speed limits and do not try to make up time lost in the tailbacks on the open road.
The best part of being on a television series for all those years is that you really get to hone your craft.