Even though legislation fell to defeat, Friday’s debate marked the first time a majority backed a cap on carbon emissions.
Despite some sexism on the campaign trail and in the media, her gender won many votes, too.
As UN nuclear watchdog meets in Vienna, sparring is sharp over Iran's goals for its program.
They're both mavericks, but they differ sharply on issues and how to govern.
He's the first African-American to head presidential ticket of a major party, winning Democrats' long war of attrition.