As advertorial tie-ins go, this one isn’t so hard to like. As part of the ramp up to the return of Gilmore Girls later this year on Netflix, Alexis Bledel appeared in the video above with First Lady Michelle Obama posted earlier today on Twitter. Helping the First Lady promote her Let Girls Learn initiative, Bledel, in-character as Rory Gilmore, shows up to the White House to drop off a massive number of books for the initiative, treating the great classics of western…