BOUNTIFUL - When Gregg Revell packed his bags for a trip to Pennsylvania last April, he had no idea how far he'd be traveling. Before the week was out, the 57-year-old suburban real estate agent and grandfather would be arrested, thrown into one of the country's most notorious jails, strip searched and inoculated against his will. The soft-spoken Utah native would be on his way to becoming a poster child for the National Rifle Association in a $3 million lawsuit. During a nearly five-day stay in a Newark, N.J., jail, he would meet a terrifying side of America that most...