Four young males have been arrested after the senseless, brutal beating of a man on a late-night walk Sunday on St. Paul's East Side, police said Friday. The victim, Ray Widstrand, 26, of St. Paul, reportedly was in critical condition at Regions Hospital with potentially fatal brain swelling.... "He's in the most difficult time right now, as far as swelling and cranial pressure. We're in that critical time," his father, Peter Widstrand, said. According to the complaint, Widstrand was attacked when he tried to walk through a group of 30 to 50 juveniles and young adults fighting near Payne and...