We're not sure why, but the sign in the window says it all: Sargent's Coffee at Alhambra and L Street on the edge of the Grid, is no more. Along with Old Soul, Naked Lounge and Temple, Sargent's served top of the line coffee for discriminating tastes, in an environment that was light and airy, with big leather couches and jazz on the stereo. I liked 'em because they used Ambience soy milk, which has no soy taste. Highly recommended. The place wasn't open long - maybe two years, probably not that long. Other business in that spot, notably Red Square (?), had trouble. But Sargent's Elk Grove location didn't make it even that long before closing a few months ago. Perhaps there IS a limit t