If you've been dying to get in to Nixta(1621 Tower Grove Avenue, 314-899-9000), there's a new option for that — the hotter-than-hot Latin eatery plans to begin brunch on Sundays.Best of all: It kicks off this very Sunday, with hours from 11 a.m. to 3 p.m.
Ben Poremba's Botanical Heights spot has won national acclaim, including being named the No. 9 new restaurant in America by Bon Appetit. The unfortunate byproduct of those honors, however, are that the place is now almost impossible to get into before 9 p.m. on the weekends.…