To believe that conflict can be productive rather than destructive, you have to actively engage in it. There is no greater intellectual exercise than exploring and testing ideas with another person. And like a sport, it can get competitive, as evidenced by the popularity of debate teams in schools and the media fanfare surrounding political debates during major elections. In fact, active and lively debate allows us to exchange ideas, evaluate the merits of one another’s claims, and continually refine and clarify each other’s thinking about the issue under discussion; debates on the floors of Congress, for example, allow representatives to go on record with their opinions on bills being considered and to try to persuade their colleagues to consider their positions. When government leaders fail to engage in such debates—