By Clarence E. Hill Jr.Fort Worth Star-TelegramOXNARD, Calif. — As the Dallas Cowboys prepare to travel to Hawaii for Saturday’s preseason game against the Los Angeles Rams, owner Jerry Jones reflects on the last three weeks and what’s ahead, including some of the players who have impressed him the most. “When (Rams owner) Stan Kroenke and I first started talking about this (game in Hawaii), we were hoping that we could have some more time there, maybe some practices against each other.