Contributor

Citysearch

In a sea of burrito joints spread alongside an even more teeming ocean of southeast Asian eateries in Mountain View, Casa Lupe distinguishes itself in the little things. Paper placemats offer a primer on Hernando Cortez, Pancho Villa, and the Mexican flag; strings of little white lights make things festive; and the frozen margaritas are cold, kicky, and refreshing (they've just gotten their hard liquor license in order to do away with, shudder, "wine-a-ritas"). It's a comfortable spot from which to gaze out at the bustle of Castro Street while tucking into simple deep-fried taquitos or one of…