Michael Tomasky: Political polarization is America’s normal — and there’s nothing new about it
When Americans think about political polarization, I’d imagine most of them think back to the ’90s—Newt Gingrich, the Clintons, the ascendance of conservative media figures like Rush Limbaugh, all that. Well, polarization started in the ’90s all right. But not the 1990s. The 1790s. In other words, we have this...