Is the Justice Department scooping up dirt about Joe Biden from Rudolph Giuliani?

Is the Department of Justice under Atty. Gen. William Barr facilitating Rudolph W. Giuliani’s attempt to blacken the name of former Vice President Joe Biden?

That’s an understandable concern after Barr acknowledged this week that the department indeed was willing to evaluate information Giuliani had gathered from Ukrainian sources about Biden and his son Hunter.

In the July 25, 2019, telephone call with Ukrainian President Volodymyr Zelensky — the conversation that led to Trump’s impeachment — Trump pushed a conspiracy theory that as vice president Biden had pressed the Ukrainian...