1: Doctor East, half American, is a wishful thinker (7)
4: Ask for bit of bread with melted cheese (7)
7: The Lilliputians' citizen army? (9)
9: On return, for example, put back costume (3-2)
10: Minor change in the White House? (6-3-4)
12: Like powerful uncle in Indian state? (5)
13: Going after the final piece of puzzle for a very long time (3)
14: Visitor made an estimate when audited (5)
15: Seize marijuana that's changing it's last stop (5)
18: Stu undressed in front of every tutor (5)
20: Pal teased about crazy snack food (6,7)
22: Mousy girlfriend loses head and bellybutton (5)
23: Archaeopterix? Maybe I err badly (5,4)
24: Attribute for a document copier (7)
25: Distance to pull cart up before time (7)