Hill investigations on Russia run into hurdles


( CNN) Congressional examiners are running into new challenges with their Russia probes, facing a mountain of records to sift through, uncertainty about the leadings they are chasing and partisan disagreement over whether there was any collusion between the Kremlin and Trump advisers.

In interviews with CNN, a number of House and Senate lawmakers said that they expect both panels’ investigations to drag on well into the autumn — and perhaps even into 2018. And there is a high degree of skepticism over whether the two panels would eventually be able to reach any sort of bipartisan agreement on a central question: Did the Russians privately coordinate with Trump officials in an attempt to sway such elections?