CNN  —  The city of New Orleans appears to have had multiple methods on hand to protect pedestrians on Bourbon Street, but none of them were able to stop a man inspired by ISIS from using a pickup truck to ram into pedestrians celebrating the new year. In the two days since the attack that killed at least 14 and injured more, officials have faced numerous questions about barricades and bollards –– different kinds of barriers that could have been positioned to block off Bourbon Street from