PRI: Ruth Valenzuela lifts a plastic sheet off the top of a small water barrel on her tiny back patio. She fills it up -- along with the washing machine when possible -- on the rare days that her taps flow.
She says the family has running water maybe two days a week. And when there is water, its usually just a trickle, not even enough for a shower.
Valenzuela lives in the port city of Ensenada in the Mexican state of Baja California. Its a fast-growing place thats popular with tourists and American...