It's verycommonlyusedtotalkaboutdecisionsinpoliticsandoftennegativelytocriticisesomeone's abilitytomake a decisionorjudgementwhentheychangetheirpolicy.
Forexample, if a governmentpromisestolowertaxesbutthenraisesthem, thatis a U-turn.
So, wehad U-turn, a reverseddecision.
Forexample, thecouncilmade a U-turnontheirdecisiontoclosetheswimmingpoolafterlocalprotests.
Aswe'veheard, SouthKorea's PresidentYunbrieflydeclaredmartiallaw, a movewhichshockedSouthKoreansandcausedleadersaroundtheworldtoexpresstheirdeepconcerns.