THREE in ten people who were questioned in the latest Gallup poll said that the Watergate affair made them less likely than before to vote for a Republican in next year's congressional elections. But while Watergate has generally hurt the G.O.P., it has had varying effects on individual Republicans and Democrats, pushing some up, some down. An early and therefore tentative reading of the effects on some men who have been mentioned as presidential or vice-presidential possibilities for 1976:
UP JOHN B. CONNALLY JR., 56, the newest Republican from Texas, benefits from Watergate...