tried. policement coming eight years after she tried and failed. >> although we weren't able to shatter that highest, hardest glass ceiling this time, thanks to you it's got about 18 million cracks in it. >> reporter: hillary clinton conceding the democratic race to the white house to then senator barack obama. june 2008. 8 years later, mrs. clinton is closer than ever to returning to the white house. this time as president. >> she's the first woman to be the presumptive nominee of a major party in our nation's 240 year history. >> reporter: hillary clinton found her political inspiration as a young girl, after she discovered congresswoman chase smith in life magazine. smith went on to be the first woman to run for president on a major party ticket. it was 1964. >> there are those that make the contention that no woman should ever dare to aspire to the white house. that this is a man's world, and that it should be kept that way. >> reporter: margaret chase smith in the end removed...