A former UPMC doctor and assistant professor at Pitt was arrested after police in Hawaii said he tried to push his wife off a hiking trail and hit her in the head with a rock. Honolulu police said they arrested Gerhardt Konig after a short chase on foot near Pali Highway on Monday evening. Earlier in the day, police put out a poster with Konig's photo, saying he was wanted for attempted murder at Pali Lookout. Police said Konig was on Oahu with his wife Monday morning when he tried to push her off a trail and used a rock...