President Vladimir Putin warned that Russia is ready to fight a war if Europe seeks one and claimed European countries are trying to make changes in President Donald Trump's proposal on ending Russia's war against Ukraine, ahead of his high-stakes meeting with U.S. special envoy Steve Witkoff in Moscow on Tuesday. The meeting is underway, Russian state media TASS reported Tuesday night local time. The Kremlin on Tuesday said that Trump's son-in-law, Jared Kushner, was also expected to take part. Earlier, Kremlin spokesperson Dmitry Peskov said the meeting had no time limit and would go on for "as long as...