Opponents of the proposed removal of Confederate memorials in New Orleans are using social media to organize the fight to keep them where they stand. What started out as an effort to keep the statue of Robert E. Lee atop his column in Lee Circle, has expanded its mission to include defending all of the statues and monuments dedicated to the Confederacy. The City Council, at Mayor Mitch Landrieu's request, has begun a formal hearing process that could result in the removal of Lee and monuments dedicated to P.G.T. Beauregard, another Confederate general; Jefferson Davis, the president of the Confederacy;...