Photo: Chip Somodevilla/Getty Images

The House's formal impeachment inquiry is just 10 days old, but has swiftly transcended D.C. inertia and swept in huge swaths of America's government.

Why it matters: We thought nothing could break through Washington gridlock, nothing could stick to Trump, and nothing could command sustained attention in this media environment.

  • Those "certainties" could turn out to be wrong, wrong and wrong.

The state of play: Vice President Pence's role suddenly became a major issue; President Trump seethed about the investigators during an appearance with Finnish President Sauli Niinistö; and Secretary of State Mike Pompeo was asked about the Ukraine call while appearing in Rome with his Italian counterpart.

  • That was all yesterday. For good measure, a Trump tweet included the word "BULLSHIT" — all caps.
  • Other parts of government that are ensnared: An intelligence community whistleblower lit the fire; Attorney General William Barr has been a central figure from the get-go; impeachment is an issue for senators and others on the 2020 trail in a way that the Mueller investigation never was; and most other Capitol Hill business has been drowned out.

Two things we learned yesterday:

1) House Democratic leaders struck a tough, insistent tone, and committees are threatening the White House with subpoenas if it doesn't meet tight timelines.

  • House Intelligence Chairman Adam Schiff said: "We’re not fooling around here."
  • Speaker Pelosi said on a call with the House Democratic Caucus, according to a readout from her office: "I think that our Chairman [Schiff] used a really good word for Barr and Pompeo and Giuliani, and they are, henchmen."

2) Trump, who always needs a foil, and his media chorus are trying to make Schiff the face of the inquiry, way more than Pelosi.

  • Trump, who has suggested arresting Schiff for treason, said: "We don't call him 'Shifty Schiff' for nothing. He's a shifty, dishonest guy."

What's next: Congress hears its first impeachment witness today.

  • Kurt Volker, the special U.S. envoy to Ukraine until he resigned last week, was little known outside of foreign policy circles. Now a central figure in the early stage of the inquiry, he's scheduled to testify in private today. (AP)

Go deeper: Tweets, threats and truth

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Why it matters: If Trump aimed to make the debate as chaotic as possible with a torrent of disruptions, he succeeded. Pundits struggled to make sense of what they saw, and it's tough to imagine that the American people were able to either.

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Why it matters: Trump has repeatedly been accused of failing to condemn white nationalism and right-wing violence, despite the FBI's assessment that it's the most significant domestic terrorism threat that the country faces. The president has frequently associated antifa and the left-wing violence that has afflicted some U.S. cities with Biden, despite his condemnation of violent protests.

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1 hour ago - Politics & Policy

The first Trump v. Biden presidential debate was a hot mess

Photos: Jim Watson and Saul Loeb/AFP via Getty Images

This debate was like the country: Everybody’s talking. Nobody’s listening. Nothing is learned. It’s a mess.

  • We were told President Trump would be savage. Turned out, that was a gross understatement. Even the moderator, Fox News' Chris Wallace, got bulldozed.

Why it matters: Honestly, who the hell knows?