ellen fitzpatrick, this takes me back to margaret chase smith in 1964, shirley chisholm in 1972, butther of them got this far. how big a breakthrough i guess is what hillary clinton accomplished last night? >> huge, as our current candidates would say, it's absolutely an extraordinary achievement. i think hillary clinton really has been underestimated as a politician. but when you set her campaign within the long arc of history, you can see what an extraordinary achievement it is. 150 years almost since the first woman attempted to run for president. victoria woodhall in the 1870s, and now hillary clinton has actually won the nomination of a major or come close to, will soon win the nomination of major political party. >> christa:>> ifill: rebecca tr, you know eight years ago when barack obama bested her, there was a general idea that took hold that she wasn't that good a candidate, and even though it was close, she just couldn't pull it off. what's the difference between 2008 and 2016? >> well, i think she was running against a less formidable opponent, and that's not to take anythi