"I only brought one cow with me," Ellen says. "When you get to the Capital, head for Megaton before you go to the Citadel. There's a steer in my herd you can have. I'll give you a letter and some caps to give the people who've been looking after the cattle."

She pauses, and adds, "Also, you're really going to want to avoid the vicinity of Baltimore. I've never seen so many warning signs in my life."