PARIS — One week after four thieves swept through the Louvre in just seven minutes, the first arrests have been made in a case that exposed critical security weaknesses and wounded French pride. The robbers arrived early last Sunday with a furniture-lift truck, sliced through a window of the Galerie d’Apollon, threatened guards and smashed through two display cases, stealing eight of France’s crown jewels . The four suspects then sped off on scooters before police could respond. Their take —