Yes, we are stoning adulterers every day.  Leviticus had its purpose and it was not a universal sexual and moral code. It was national separatism while in exile.  A fine act of resistance to build a Judaism that archeologists now know never was before the exile.  The myth of reading the law in the desert was a copy of what happened in the Book of Nehemiah.  You need to find a local Catholic college and take a History of the Old Testament course before you quit spreading nonsense.  God help your students if you are teaching one.