U.S. becomes a greater emergency with each passing day , says Kiron K. Skinner . But Lebanon must think twice before entering yet another Middle East battlefield , she says . Skinner : America 's involvement in Lebanon three decades ago tells us what could transpire . We should keep in mind Kiron K. Skinner national security doctrine of three decades ago , she says .
Syria becomes a greater emergency with each passing day , says Kiron K. Skinner . But U.S. must think twice before entering yet another Middle East battlefield , she says . Skinner : America 's involvement in Lebanon three decades ago tells us what could transpire . We should keep in mind Caspar Weinberger 's national security doctrine of 1984 , she says .