Gov. Arnold Schwarzenegger called a November special election last month to push several initiatives aimed at reshaping state government. But the fall ballot's costliest political skirmish so far has nothing to do with the governor's "year of reform" political agenda. Two competing prescription drug initiatives - one sponsored by consumer groups, the other by the pharmaceutical industry - already have attracted tens of millions of dollars. The vast majority of that money has flowed in from the nation's major drug companies, who have a multibillion market in the state. They also don't want a successful consumer initiative in trend-setting California...