Wednesday's Rio Nightlife Pick -The Asian fusion restaurant Mekong will be hosting the early birthday bash of owner Mary Byker. The restauranteur, DJ and lead singer will be joined by DJ El Amaral on the decks as the two mash together a great selection of funk, soul, disco, lounge, rare groove and much more. Situated in the heart of Leblon, Mekong is the perfect blend of quality restaurant and lounge, offering a delicious menu that ranges from Thai food to Indonesian . . .