Though I applaud John Henry's faith in the democratic system to effect social change (Letters, July 20), I disagree with nearly all of his views due to the foundations on which they rest. Primarily, it pains me to read that Mr. Henry's only criticism of Hawaii's education system is that "the HSTA refuses to allow drug testing for the teachers and staff." Drug tests are plagued with plenty of problems, from false positives to intentional dilution to the use of adulterants and the fact that detection periods for the most harmful drugs are the shortest. [continues 201 words]