Las Vegas – Pac-12 Commissioner Larry Scott will formally announce the men’s basketball tournament will move to Las Vegas. A press conference is scheduled for 11 a.m. Tuesday at the MGM Grand where the tourney will be held. It’s also unclear if the Pac-12 will continue to hold the tournament during the second week in March and compete with Mountain West and WAC, which also has tourneys in Las Vegas at that time. The press conference will be streamed LIVE at 11:00 a.m. PT on the Pac-12′s YouTube channel – available at YouTube.com/Pac12Conf. Fans will have the opportunity to submit questions during the press conference by submitting comments on YouTube or through Twitter using the hashtag #pac12tourney.