Pizza Hut pop-up restaurant seats one

Pizza Hut is attempting to "stay relevant," as the Washington Post's Tim Carman archly puts it, with a pop-up restaurant for one.

Yet here she was, at the corner of 50th Avenue and Center Boulevard, patiently hoping for the opportunity not only to sample a slice from Pizza Hut but also to do so in a scaled-down version of the chain's signature red-roofed…