The Major League Baseball club scheduled to play next season in Washington was officially renamed the Nationals this afternoon, as District Mayor Anthony A. Williams joined club officials and a lunchtime crowd of a few hundred onlookers at Union Station in unveiling the team's new logo. "Baseball is about our way of life," Williams told the crowd. "It's about community. It's about opportunity. And now, with the Nationals, it's about our nation's capital, Washington, D.C." Though Major League Baseball owners last week delayed a vote on whether to officially approve the move of the Montreal Expos to Washington, and despite...