Michael Canfield

Never has there been a president less content to sit still behind a desk than Theodore Roosevelt. When we picture him, he's on horseback or standing at a cliff-edge or dressed for safari. And Roosevelt was more than just an adventurer -- he was also a naturalist and campaigner for conservation. His love of the outdoor world began at an early age and was driven by a need not to simply observe nature but to be actively involved in the outdoors -- to...