Cedarburg's Dale Traber is one of fourunbeaten bowlers after a long first day of match play Thursday atthe 2009 United States Bowling Congress Senior Masters in LasVegas, the USBC reported. Traber, 52, the most prolific regional champion in PBA history,won his first Senior Tour title two weeks ago in Brentwood,Calif. In his three matches Thursday, Traber...