The violence was bad enough. But one hopes that it did not stem from political grievances in a foreign country. According to Houston Public Media, Luis Alfredo Pacheco Rojas, 34, known in music circles as the rapper El Pikante, died following an ambush-style attack at a Houston gas station on Monday night. Rojas was the son of Alfredo Pacheco, president of the Dominican Republic’s lower house of Congress, known as the Chamber of Deputies. Houston Police Department Assistant Chief Adrian Rodriguez told reporters that Rojas and three other Hispanic men had entered the gas station’s convenience s…