Mueller testimony fails to move needle on impeachment

House Democrats hoping that former special counsel Robert Mueller would trigger momentum for impeaching President Trump were met with resistance Wednesday from a witness who often wouldn’t even answer lawmakers’ questions.

Unlike Mueller’s May remarks on his report on Russia’s election meddling, his testimony Wednesday did not spark any new major wave behind the movement to oust the president.

And some of the most vocal impeachment proponents said they don’t expect Mueller’s halting testimony — in which he asked legislators to repeat their questions on multiple occasions and often declined...