When chef Silvana Salcido Esparza opened Barrio Café with business and then-life partner Wendy Grubler on July 11, 2002, the tiny kitchen of the new restaurant flooded the same day. But Barrio Café, a restaurant that refused to follow preconceived notions of Mexican food and didn't let a little water get in the way, went on to become a game changer in Phoenix cuisine…