He endorsed Democratic presidential candidate John Kerry leading up to the 2004 presidential election .
During an episode on which Nader and Michael Moore were guests , both Maher and Moore begged Nader not to run again in 2004 ( season 2 , episode 11 ) .
Maher endorsed Democratic presidential candidate John Kerry leading up to the 2004 presidential election .
During an episode on which Nader and Michael Moore were guests , both Maher and Moore begged Nader not to run again in 2004 ( season 2 , episode 11 ) .