KNTV NBC Bay Area News At 6 May 11, 2013
and that means that they push -- they push hard. >> reporter: the question now is did the crew push too hard. the america's cup regatta director ian murray described the maneuver the crew members were practicing, a move to turn away from the wind and gain speed. it's the most dangerous move, according to editor kimball livingston, who says he's covered every america's cup race since 1980. >> it's that transition to from slow speed to high speed when you're getting the nose pushed down that is your danger point. >> reporter: the same maneuver oracle team usa was practicing last octobe...