By Washington Bureau WASHINGTON -- Arnold Schwarzenegger has given Democrats thousands of dollars in political donations over the past two decades, including $1,000 to Massachusetts senator and liberal lightning rod Ted Kennedy. At the same time, campaign reports show, the GOP actor and gubernatorial hopeful has been a lukewarm financial supporter of Republican candidates. Ultimately, say political observers, Schwarzenegger's history of political giving indicates little beyond what already is known -- that he is a moderate Republican who married into the Democratic Kennedy clan via NBC news correspondent Maria Shriver. But conservative activists argue the pattern underscores a questionable political...