The hacktivist collective Anonymous is planning a "Denouncement Day" this Friday to "denounce the Confederacy, to denounce racism, bigotry and hate," saying "it is time to take down these monuments of hate ourselves." Supporters plan to gather at 6 p.m. EST at the statue of Rear Adm. Raphael Semmes in Mobile, Ala., the Confederate Soldiers Monument in Little Rock, the Jackson Guards Memorial in Jacksonport, Ark., the Searcy Confederate Memorial in Searcy, Ark., the Our Confederate Dead monument in Munn Park in Lakeland, Fla., the Confederate Monument in Piedmont Park in Atlanta (which was defaced with spray paint this week),...