Friends and relatives of 17-year-old Karmelo Anthony, the Texas high school student accused of fatally stabbing another teen, are promoting t-shirts with his face on them with slogans like “FreeMelo” and “#Justice4KarmeloAnthony.” When he was taken into custody after the fatal stabbing of Austin Metcalf at a Frisco High School track meet, Anthony admitted that he was the killer. A website selling the shirts describes Anthony as “just a small town kid, raised in a loving two parent household,” and goes on to paint a portrait of him as a model youth. “Karmelo, A 4.0 student. A football team captain....