ADN by Richard Mauer.  The head of ConocoPhillips Phillips responded to critics of the governor's oil tax break Thursday, pledging to increase investments by up to $5 billion in existing North Slope fields if the new tax rules take effect. On special assignment this week to photograph Fiesta San Antonio, we realize this is the historic, 175th Anniversary of the Battle of the Alamo (NGP Photo).   Today, Texans "Remember the Alamo" in an inclusive sense, with all segments of the population celebrating the rich history of freedom and independence symbolized by the Alamo.  [...]