The best way to read Ezra Klein and Derek Thompson’s new book is to take the authors at their word. Abundance is what is usually called a “policy book,” but Klein and Thompson don’t quite offer a traditional policy agenda. Instead, the authors begin and end with a question that is also a concentrating lens. “Can we ...

The “netroots”—an Internet grass roots that has set out to change the Democratic Party—are often maligned. These progressive bloggers and their readers, who emerged as an influential group during Howard Dean’s presidential campaign, are increasingly depicted as a sinister movement under the dictatorial control of Markos “Kos” Moulitsas Zúniga, the founder of the prominent political ...