A Michigan man is accused of placing pipe bombs outside cellphone stores as part of a crusade to halt telecommunications “containing immoral content,” like porn and cursing, court documents show. John Douglas Allen, 75 was charged with extortion and attempted destruction of interstate commerce buildings, the feds said in a press release Tuesday. Allen was allegedly caught on camera placing homemade explosive packages outside an AT&T Store in Sault Ste. Marie, and a Verizon Store in Cheboygan last week, according to officials. The alleged would-be vigilante then left threatening letters, placed inside polka dot envelopes, at cell towers in the...