On the contrary, Clinton did indeed defy the U.S. Supreme Court, although you can be forgiven for not knowing about it because our entire corrupt media conspired to spike the story.
In particular, President Clinton wrote an Executive Order forbidding the Department of Justice from enforcing the 1989 Beck decision, by which the SCOTUS ordered unions to refund the dues to any members who had ideological objections to the political ads financed by unions.