The conservative radio host on the Republican response to Charlottesville and being friends with Paul Ryan.
He fundamentally transformed political polling and financing and perfected virulent campaigns that toppled liberal incumbents.
It was a week of turmoil, but it seemed to prove an immutable rule of the Trump presidency: People see what they want to see, even if others see something very different.
Faced with a volatile, unfit president, what remedies do Americans have?
Unlike the senators of ancient Rome, the Republican Congress won’t deal with a rogue leader.