February 21, 2014 2:06 am Countdown to Sochi Olympics underway Build up to Winter Olympics has been somewhat overshadowed by security concerns US & World Videos 2:09 Celtics ready for Eastern Conference Finals against Pacers 2:51 Michael Johnson on ‘dynamic personalities' of Noah Lyles, Sha'Carri Richardson 0:47 Timberwolves, Mavericks to meet in 2024 Western Conference Finals 0:54 Xander Schauffele wins PGA Championship, first major title 1:02 Celtics, Pacers to meet in 2024 Eastern Conference Finals