"Sharia law guides Islamic life, from praying five times a day to fasting during the holy month of Ramadan and abstaining from pork, alcohol and sex outside of marriage. Sharia has also been cited as a justification for violent, sometimes deadly punishments for minor crimes in majority-Muslim countries, including Saudi Arabia."
Similarly to christianity all the rules above are broken but close adherence is given to violence. Furthermore, sharia is imbed in religion practices and beliefs. Keep it there. The moment the US legal system starts trying to make decision for a few based on it, other religions will come up with its own tenants to be taken into consideration in rendering legal decisions.
Read the Article at HuffingtonPost