The death of Mount Airy teen Mason Kearns during a flood last month has spurred an effort to better secure drain pipes across the region. The boy’s family is rallying to create “Mason’s Law,” according to his “Aunt Allie,” Allison Eggleston, who has been the family’s spokesperson since Kearns died July 31 during a flash flood outside his home in Mount Airy. Maryland Lt. Gov. Aruna Miller joined local officials for a news conference near the site where Kearns died, a small valley between building