As New Orleans seeks to recover from the deadly, Islamic State-inspired truck attack, law enforcement and community leaders are confronting an existential question as old as the city's famed entertainment district: Can Bourbon Street be protected in a way that preserves the round-the-clock revelry? The days following a pickup truck attack that killed 14 people have brought second-guessing and finger pointing over whether additional safety measures could have prevented or mitigated the carnage. City leaders are again discussing proposals to ban vehicle traffic in the French Quarter as New Orleans beefs up security ahead of next month’s Super Bowl and Carnival season.