Shielding fans from scorching triple-digit Las Vegas temperatures, Thomas & Mack Center also provides sanctuary from the turbulence of NBA free agency. It’s an imperfect abode for basketball, but an abode nonetheless —the game breathes and entertains thousands for a few weeks in the heart of the summer. Draft prospects, some young and some old, provide optimism for franchises in need. Fringe roster players re-display skills that once made them coveted. Coaches are given the opportunity to mesh with team members.