Backlash against a plan to remove prominent Confederate monuments in New Orleans has been tinged by death threats, intimidation and even what may have been the intentional torching of a contractor’s Lamborghini. For now, at least, things have gotten so nasty the city hasn’t found a contractor willing to bear the risk of tearing down the monuments. The city doesn’t have its own equipment to move them and is now in talks to find a company, even discussing doing the work at night to avoid further tumult.Initially, it appeared the monuments would be removed quickly after the majority black City...