Actually, nevermind. I found this in Alan Guth's The Inflationary Universe. Should have looked there before I posted.
But the uniformity is explained by inflation.
I'm familiar with the Horizon Problem and how it is solved by the theory of Inflation. I also know that Inflation solves some other cosmological problems and fits well with the current CMB data.
Just focusing on the Horizon Problem, however, I'm curious about one thing. It seems to me that...