AUSTIN - Two years since a conservative sweep of the State Board of Education,November's election carries high stakes, with all 15 seats on the ballot and the instructional direction of 5 million Texas school children in the balance. The divide over the issues of history and science,political and religious ideology is deep. One side views the fight for control of the board as nothing less than a cultural clash. The other sees the November contests as critical choices to protect conservative values. The board determines curriculum standards and textbooks for Texas'K-12 public school system and controls the $26 billion PermanentSchoolFund....