by David Rothbard and Craig Rucker

About the authors: David Rothbard is the president and Craig Rucker is the executive director of the Committee for a Constructive Tomorrow (CFACT), a Washington, D.C., organization that promotes free-market and safe technological solutions to consumer and environmental concerns.

When the subject is man’s best friend, you’re likely to hear a lot of conflicting opinions. Some point to the stately Great Dane, others to the lovable Beagle, and still others leave dogs off the list completely and instead hold aloft such dandies as the golf club, the riding lawnmower, and the remote control. One thing you probably won’t hear mentioned, however, is chlorine, and that’s a shame, because given its incredibly wide range of benefits, it should at least rank up there...