Covered a lot of ground today. After last night's over-indulgence awoke late and didn't leave the hotel until 11:30. Started by taking a taxi to San Telmo, a district near the river famed for its market. Left everything of value in the hotel safe since we had been warned of pickpockets in the crowd; hate to mention this but everyone warned us of potential problems but it's common sense to take precautions in any big city anywhere. In any event our only problem so far has been a counterfeit 50 peso note but a couple in the hotel who we talked to at breakfast had been sprayed by someone from a squeeze bottle and a couple of people who in the course of drying them off and helping them had emptied their pockets. Not fun but again not unique to BA; we had the same thing happen to us in San Francisco so common sense is the order of the day anywhere....