President Trump’s refusal to disclose his tax returns breaks with decades of precedent and leaves the American people in the dark about his potential business ties with foreign adversaries like Russia and how his Administration’s policies might benefit his bottom line at the expense of the rest of us. That's why a grassroots movement is fighting back and defending our country's basic democratic principles of transparency and accountability. On April 15 , thousands of Americans will march in Washington, D.C. and more than 130 communities across the country to demand that Trump immediately...