When a group of imams tried to bring a form of “Shariah light” to Texas, they met an unlikely foe – Irving Mayor Beth Van Duyne. Now, Van Duyne has been thrust into the national media spotlight, and her city is being called “ground zero” in the battle to prevent Islamic law from gaining a foothold, no matter how small, in the U.S. legal system. Van Duyne’s name and picture has popped up on Facebook pages and Twitter feeds across America in recent days, casting her with equal enthusiasm as villain or hero, depending on one’s political outlook. She’s either...