Rehabbing Phillies right-hander Roy Halladay feels he can see light at the end of the tunnel as far as returning to a big league mound. The two-time Cy Young Award winner, who hasn’t pitched for the Phils since May 5, threw 90 pitches — 52 for strikes — in a six-inning effort for the Class A Lakewood BlueClaws of the South Atlantic League on Tuesday night.