By Andrew Osborn MOSCOW (Reuters) -In a few short hours in Alaska, Vladimir Putin managed to convince Donald Trump that a Ukraine ceasefire was not the way to go, stave off U.S. sanctions, and spectacularly shatter years of Western attempts to isolate the Russian president.

Ukrainian President Volodymyr Zelenskyy says he will meet U.S. President Donald Trump in Washington on Monday after a Russia-U.S. summit concluded without an agreement to stop the fighting in Ukraine after 3 1/2 years.

In Alaska, President Vladimir Putin walked on a red carpet, shook hands and exchanged smiles with his American counterpart. Donald Trump ended the summit praising their relationship and calling Russia “a big power