U.S. Democrats challenge Republicans to conduct credible Russia probe

By Patricia Zengerle and Matt Spetalnick WASHINGTON (Reuters) - Wary Democrats on Thursday challenged Republicans who control the U.S. Congress to conduct a credible investigation into contacts between President Donald Trump's associates and Russia, a process that will likely take months and may never become public. If the Intelligence Committee investigation is not proceeding to unearth the entire truth, we will seek alternative tools and structures to get to the truth, because get to the trust