1. Code name: Crossfire Hurricane. We got the inside story of how the F.B.I. investigation into the Trump campaign’s ties to Russia began: with a top-secret mission to London to interview the Australian ambassador.

The name, a reference to the Rolling Stones lyric “I was born in a crossfire hurricane,” was an apt prediction of the political storm that continues to batter the bureau. Above, its headquarters in Washington.

Also Wednesday, a Senate panel released thousands of pages of documents on the June 2016 meeting at Trump Tower between Trump campaign officials and a self-described Kremlin informant.