luxury; it is an essential tool. The debris formed a ring around the Earth's equator and was eventually drawn together by gravity to form the moon. Still, there are questions left unanswered. In the town of Hillsborough, just outside Chapel Hill, someone firebombed the Republican Party headquarters last month. After North Carolina passed its restrictive voting-rights bill in 2013, Campbell went around to churches teaching people how to deal with challenges to their registration. He could detect the effects of the election around him, in the bursts of conflict and the curious intersection of new ideas with old ones. This discordance between economic data and political rhetoric is familiar, or should be. Republican economists caution against taking this data as proof that their party is lousy at economic