“To heal our political and economic rifts” and “improve American education,” we should require all students to take debate, argues Robert E. Litan, a Brookings fellow. He’d also like to “incorporate debate into humanities and possibly some science classes as well.” Some 12,000 Broward County (Florida) students take speech and debate classes. Competitive debating isn’t about shouting at each other, writes Litan. School debaters learn to “research; think critically and do it on