Good Thursday morning. Here are some of the stories making news in Washington and politics today.

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• Robert S. Mueller III warned lawmakers on Wednesday that Russia was again trying to sabotage American democracy before next year’s presidential election, defended his investigation’s conclusions about Moscow’s interference campaign in 2016 and publicly rejected President Trump’s criticism that he had conducted a “witch hunt.”

• Mr. Mueller’s testimony, consequential as it was, also dragged on for seven dry hours. Here are seven takeaways for those who didn’t have time to watch it all. (And here’s a five-minute video recap.)

• Once famous for his laserlike focus, Mr. Mueller, who will turn 75 next month, seemed hesitant about the facts in his own 448-page report, stumbling over his answers and struggling at one point to come up with the word “conspiracy.”