Now you can—at least the mails Kagan sent in her time working for Bill Clinton. The Sunlight Foundation is enabling your inner private eye by offering her mail in a familiar, user-friendly gmail interface instead of the clunky option on the Clinton Library's website.
(Click on the image to get the full, browseable version.)
Sadly, the promised "G-Rated Jew Jewish Jokes" from June 1999 don't load. Tragic. But you can still enjoy sample searches like "making the President look like a liar," "pervasively sectarian," and "lunch."