FWIW, it seems that if all the OP wants to do is stay in the nice areas of the city and visit the major tourist spots for three days, he will be fine unless he strays from the safe practices outlined in this thread (taking street cabs, walking around at night, etc.). Perhaps the best plan would be to hire a driver during the day and go to museums and any other sights during daylight hours. Then during the evenings, they could head back to the upscale hotel area, grab dinner at a nice restaurant, then finish up in one of the hotel bars - this would alleviate concern about drunken vulnerability in the streets, etc. That general plan probably would be safe.