Many of the key issues concerning the United States as we enter the 21st century were already taking shape as we entered the 20th century. Business mergers, U.S. military intervention (in the Philippines), trade disputes with China and Europe, racial violence, high levels of crime, rising income gaps between rich and poor, volatile stock market prices, homelessness in the cities, the dangers of immigration, and the domination of money in elections -- all these major national issues in 1900 are familiar in some form to Americans today. The nation grappled for the first time with a series of...