What’s going on with the Post’s Food Section? Between last week’s piece on the Warehouse District and this week’s articles on soft shell crab and RFD’s Brooklyn Brewery tasting, it appears the WaPo’s Food section has improved from the days of Christmas cookie spreads and brunch for beginning entertainers. Still. Isn’t the section about to fold? And if so, when? Rumor mill tells us it’s within a matter of weeks — and that the paper…