Sessions refuses to discuss conversations with Trump on Russia

By Sarah N. Lynch and Lisa LambertWASHINGTON (Reuters) - U.S. Attorney General Jeff Sessions refused on Wednesday toanswer lawmakers' questions about his discussions with President Donald Trump on Russia and denied lying to Congress about his own contacts with Russians during the 2016 election campaign.In often testy exchanges with Senate Democrats, Sessions denied having misled them when he said during his Senate confirmation hearing earlier this year that he had not met with Russian officials