Policy reversal -- what's afoot? (4)
'policy reversal' is the definition.
I don't understand the rest of the clue.
(Other definitions for flip that I've seen before include "B-side" , "ale mixed with spirits ..." , "Perform somersault" , "Toss a pancake" , "Somersault; impertinent" .)
Can you help me to learn more?
(Other definitions for flip-flop that I've seen before include "Flimsy sandal" , "Rubber-soled sandal" , "Informal footwear" , "Rubber sandal" , "Sandal held on by a toe-thong" .)