KISSIMMEE, Fla. — Culture, culture, culture. The “C” word dominated the first week of Astros’ spring training, with first-year manager Bo Porter embracing the teachings of former football coaches Bill Parcells and Hayden Fry. In an attempt to shake up his new team, Porter’s done everything from instal motivational clubhouse signs to setting up small personal mirrors above player’s lockers. Another key Porter code-word was unveiled Sunday afternoon inside the manager’s office: adapt. How do you adapt on an MLB team — especially one filled with young, new faces that lost a franchise-record 107 games in 2012? There are many ways, Porter said. But one of the easiest and quickest [...]