Sam comes to the bar half to people watch, so when he spots someone moving around the tables without ever really stopping at any of them, his attention is caught.

At first he doesn't think too much of it, except to wonder if maybe he's looking for someone - or he's new here - but then Sam gets a better look at him. Or, more accurately, at his face, and then Sam's up off his stool and heading over almost before he realizes what he's doing.

"Steve?"