Stumped on last three, driving me mad! Please help. 25ac. Drunkards should they be converted don't talk (4) ??S? 1d. Individual (like everybody else) goes to 25 on island (3,4) M?N ?A?K 23d. Defective part in forerunners of the Web having band of brothers at the end of the line (2,3) W? ??W The last clue is probably a palindrome as per the theme, but I can't see it! The first letter of 25ac is the middle letter of 23d. Thanks for any help in advance.