A fame-seeking teenager died attempting an alarming social-media challenge called “dusting,” according to her heartbroken parents. Renna O’Rourke, 19, of Arizona, passed away Sunday after trying the viral trend, also called “chroming,” in which netizens film themselves inhaling keyboard cleaning spray to get high for views online. “She always said, ‘I’m gonna be famous, Dad. Just you watch. I’m gonna be famous,’ and unfortunately, this is not under the most optimal of circumstances,” her grieving father, Aaron O’Rourke, told AZ Family. The Tempe teen went into cardiac arrest and was rushed to the hospital. She remained unconscious in the intensive...