President Donald Trump, after repeatedly promising to quickly end Russia's war on Ukraine, has changed his tune and his attitude dramatically.

Trump had drawn the analogy during an Oval Office meeting with German Chancellor Freidrich Merz, and said sometimes you are better off letting children fight for a while before pu

But halting progress, ever-more deadly drone attacks and unmoving negotiating positions seem to have taken their toll. On Thursday, Trump used a striking analogy to concede the warfare was nowhere near over, and that he did not, at that moment, feel it was best to intervene.