Trump, without evidence, cites Ukraine ties to ex-rival Clinton

U.S. President Donald Trump on Tuesday blasted the investigation into alleged Russian meddling in last year's U.S. election and raised questions, without offering evidence, about Ukrainiansupport for his Democratic presidential rival, Hillary Clinton.In a pair of early morning tweets, Trump also said U.S. Attorney General Jeff Sessions had "taken a very weak position" toward the Democratic presidential nominee and cited "Ukrainian efforts to sabotage Trump campaign - quietly working to boost Cli