SMITHFIELD, N.C. -- A Spanish teacher at Smithfield-Selma Senior High School resigned this week after handing out an assignment that some students and parents said teaches hate. Khalid Chahhou, who was in his first year of teaching in Johnston County, gave students a worksheet in which they were to translate words and find them within a word-search puzzle.Some students started uncovering strange words in the process. "There were words like 'kill,' then I saw it said 'destroy America,'" Eric Herrera said. As they read on, students found the puzzle contained a paragraph that contained the following phrases: "Sharon killed a...