WASHINGTON (AP) — Robert Mueller's Russia probe has to end with a report. But anyone looking for a grand narrative on President Donald Trump, Russian election interference and all the juicy details uncovered over the last 20 months could end up disappointed.

Attorney General nominee William Barr, who will oversee the investigation after an almost certain Senate confirmation, says he wants to release as much information as he can about the probe into possible coordination between Trump associates and Russia's efforts to sway the 2016 election. But during his confirmation hearing Tuesday, he als...