He was Hollywood's ideal of the boy next door. She was America's Sweetheart. Ronald Reagan and Doris Day headline a winning chapter from our national pastime: The Winning Team. Reagan is Grover Cleveland Alexander, the Hall of Fame pitcher whose baseball victories paralleled triumphs in his personal life. Suffering from double vision and fainting spells, Alexander sees his career bottom out. But, helped by his wife (Day), he makes a suc