By Tom Hals (Reuters) – The father of a 10-year-old girl slain in the Uvalde, Texas school shooting and a school employee have taken initial steps that could lead to lawsuits against Daniel Defense, the maker of the semiautomatic rifle used in last week’s massacre that killed 21 people. Lawyers for Alfred Garza, father of Robb Elementary School student Amerie Jo Garza, requested in a letter on Friday to Daniel Defense that the Black Creek, Georgia-based gun manufacturer provide information about its marketing to teens and children. “We ask you to begin providing information to us now, rather t…