The Grateful Dead’s three-night farewell shows don’t seem like they’re shaping up to be a great time for the band’s most dedicated followers. Over the weekend, we reported that tickets for the event were being scalped for as high at $10,000. And now, Chicago’s police and fire departments have decided not to let Deadheads camp out or park overnight on the land in front of Soldier Field. Earlier this year, a petition circulated around asking the venue to waive their usual policy. “We took this seriously and did not want to dismiss it,†Luca Serra, a spokesman for Soldier Field,...