In the age of texting, e-mailing and tweeting, the idea of sitting down to write a letter might seem foreign to a lot of people. On this week's Cityscape, we're talking with a couple of folks who want to revive the art of letter writing. We'll also check in with a Brooklyn-based artist who tosses messages in bottles in the waters off of New York City to raise awareness about the protection of wild birds.  One of George Boorujy's bottles made its way from Staten Island all the way to France.