A New York City condominium tower will be the world's tallest predominantly residential building when it opens next year, though it will be competing with other ultra-luxury buildings for billionaire buyers, the building's developer said Tuesday. Extell Development Co. President Gary Barnett said the $3 billion, 1,550-foot Central Park Tower is entering an "oversupplied" market. Read more: nbcnewyork.com/news/local/NYCs-Central-Park-Tower-Will-Be-Worlds-Tallest-Residential-Building-560641471.html NBC 4 New York on Twitter: 4.nbcny.com/kAuuwUN NBC 4 New York on Facebook: 4.nbcny.com/mbeh714 NBC 4 New York on Instagram: 4.nbcny.com/g5YlkcI NBC 4 New York on Youtube: 4.nbcny.com/iTUpy5e #NewYorkCity #BillionairesRow #WorldsTallestCondo ----------------------------------------------- NBC 4 New York / WNBC is the flagship station of the NBC Owned Television Stations division of NBCUniversal, serving the New York Tri-State area with an unparall...