PHOTO (Army Athletics): Army quarterback Jabari Laws. Visit my website homepage, TomShanahan.Report By TOM SHANAHAN There are many football axioms, but this one applies to the game’s most important position: “If you have two quarterbacks you have a none.” Unless your team runs the triple-option offense, says Army offensive coordinator Brent Davis. Army has been without starter Christian Anderson the last two games, but Davis hasn’t been burning added midnight oil devising game plan that employs multiple QBS.…