ANOTHER TRAGEDY: To blog is to comment, critique, analyze and argue about disputes of the day. There is nothing to dispute about the explosion of the space shuttle Columbia. All one can do is mourn.

InstaPundit's already linked to it, but here's a link to Ronald Reagan's address to the country following the Challenger explosion 17 years ago. It may be Peggy Noonan's finest speech. The final paragraph still gets me.