Caesar Augustus brought an extended period of peace to Rome . Historian Robert Pittenger contrasts Obama 's executive powers with those of other historical figures . From King Arthur to Napoleon , each knew the limits of power , Pittenger argues . Obama 's unilateral actions ignored the checks and balances of Congress , he argues .
Historian Robert Pittenger contrasts Obama 's executive powers with those of other historical figures . From King Arthur to Napoleon , each knew the limits of power , Pittenger argues . Obama 's unilateral actions ignored the checks and balances of Congress , he argues .