It is the dread of every hitter in baseball-the batting slump. Even the greatest players of all time in the Major Leagues have experienced it. From Ted Williams to Derek Jeter, batters have had to deal with dry spells at the plate. Usually, slump-busting tips focus on either the mental or the mechanical aspects of the game. Granted, it does seem hard to hit a round ball (moving with great velocity) squarely with a round bat. What about a sermon slump? A preacher with any expe