Following the death of  "Jackass" star Ryan Dunn, G4 has placed his new show on hiatus. Deadline.com  reports the network has placed "Proving Ground" on indefinite hiatus after Dunn was killed in a car crash Monday. The show premiered on June 14 and featured Dunn recreating stunts from films and movies. According to Deadline, "Proving … Continue reading Network pulls Ryan Dunn's new show