Guide to visiting Rio for the Olympics, from safety to samba

RIO DE JANEIRO (AP) — With the Olympics just a few weeks away, Brazil faces a litany of problems: an economy in freefall, the Zika virus and a political crisis with an impeached president. But for those brave — or foolhardy — enough to make the trip, Rio de Janeiro is a city rich with potential rewards. Broadcasters have already deemed the city's backdrop for the Summer Games the most telegenic ever. But no matter how good this teeming seaside metropolis — where the urban