I didn't catch it until my second read through, but it's one of my favorite things about the first two books now. Now that I know what to look for it's masterfully done. Subtle, but unmistakeable. I didn't give Jordan enough credit the first time through!
Rand accidentally channels several times before this (he heals Bela's fatigue on the way to Tarren Ferry, and I think once more in Shadar Logoth - That's why he was acting so weird on Domon's boat, it was channeling sickness.) but the inn at Four Kings is the first time RAND knows he's...