Missouri Republicans are taking delight in a statewide poll by Research 2000 of Rockville, Maryland. The survey, conducted for KOMU-TV in Columbia, shows President Bush would emerge the winner in the state in a head-to-head presidential match-up with native son Richard Gephardt of St. Louis. According to the poll, Bush has the support of 52-percent of those surveyed, compared to 38-percent for the Congressman. What particularly satisfies Republicans is the demographic breakdown. Bush leads 49-percent to 40-percent against Gephardt among women. Bush also leads Gephardt in St. Louis – 48-percent to 41-percent.