Remember.

I'd like to just briefly take a moment to remember today's sad anniversary; and to remind people that instead of focusing on the fear, we should look to the one good thing that came out of the attacks: The unity we all felt as fellow Americans, regardless of race, creed or lifestyle, right after the attacks. It's been a long 7 years, over the course of which our society has become highly polarized, politically and culturally. With the presidential election approaching, it's important now more than ever that we remember that we are ALL Americans, that we ALL love our country, and that we should ALL work together to make it a better place.

National Geographic News has posted a series of "Then and Now" photos, like the one above, that I thought you might be interested in.