It's a bold headline from my alma mater: "A Reality Check on High Speed Rail" is how UC Berkeley bills a recent HSR symposium. Already Morris Brown is peddling this as yet another reason why HSR is terrible and doomed to fail. Morris wants us to not dismiss the symposium lightly. OK, I'll dismiss it heavily:

by Rafael

So I'm off to Portugal for 2 weeks, and you will be in the capable hands of Rafael and Matt Melzer, who will be doing some guest posts. There will be some open threads every other day, although if any of the guest posters want to move one of those to another day in order to post something, particularly if it is timely, they're welcome to do so.

Ever since 1970, April 22 has marked Earth Day in the United States.