Mark Davis was beaming as he posed with fans behind a black and silver ''Las Vegas Raiders'' banner. Then the owner of the Raiders got serious about the prospects of getting fellow NFL owners to allow him to move from Oakland to a city the league has long shunned because it has legal sports betting. Little more than an idea a few months ago, the possibility of the Raiders moving to Las Vegas inched a bit closer to reality Thursday when Davis appeared before a stadium commission to not only pledge to move the Raiders to the city, but put $500 million into the $1.4 billion facility that would house the team. More...