System of a Down’s drummer John Dolmayan is back on Instagram with another politically charged post, as he wished the president a “happy birthday” on Sunday and called Democrats “the true bigots hidden in plain sight from the same party who fought to maintain slavery.” Dolmayan has previously said his political leanings set him apart from his bandmates, particularly vocalist Serj Tankian, who recently called for the president’s resignation. And after calling Trump the “most attacked president in history yet the greatest friend to minorities” and calling the defunding of police “stupidity,” Dolmayan elaborated and explained why he shares his thoughts on Instagram. “The reason I post my opinions on this forum and open myself up to attack and ridicule is for you, the silent ones who think the...