US President Donald Trump said he encouraged Vladimir Putin to conclude his war in Ukraine and rebuffed an offer from his Russian counterpart to help secure Iran’s nuclear material.“He told me he’d like to be involved with the enrichment if he can help us get it. I said, ‘I’d much rather have you be involved with ending the war with Ukraine,’” the US president told reporters in the Oval Office Wednesday. Calling the conversation with Putin “very good,” Trump said he suggested “a little bit of a ceasefire” in the Ukrainian conflict to the Russian leader. The Kremlin account of the call...