And, yes, the party is more progressive on certain questions than it used to be. It is rightly more committed, for example, to LGBTQ rights — but so is the country as a whole. There has been a strong response from Democrats of all races to police shootings of young, unarmed black men. But this is less a move to the "left" than an expression of simple decency. A lot of this left/center business is about abstractions imposed on reality rather than a reflection of it.