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Constructing voting districts to favor one party over another has been around as long as politicians have been responsible for drawing their own districts. David Daley’s new book, Ratf*cked, focuses on the most recent and most successful gerrymanders, 2010’s Redistricting Majority Project or REDMAP. Population growth and demographic shifts will always eventually render any gerrymandered advantage moot, but Daley, former editor in chief of Salon, shows that the districts that resulted from REDMAP are holding strong and leading to large and impactful advantages for the GOP. Daley takes it beyond math and funny shapes by actually driving the borders of these districts and showing how they carve up communities. Read more >>> David Daley reads at 6:30 p.m. at Kramerbooks, 1517 Connecticut Ave. NW. Free. (202) 387-1400. kramers.com(Justin Weber)


Rosario in Adams Morgan launched an new “Aperitivo Hour” this week, offering Italian drinks like the Americano and Aperol Spritz for $4 to $6 each. It’s one of those magical happy hours that also comes with food specials, including arancini bolognese, croquettes, vegan meatballs, fried goat cheese, and other delicacies priced at $5 per snack. The specials are available weekdays from 5 to 7 p.m. and weekends from 3 to 7 p.m. Rosario, 2435 18th St. NW. (202) 791-0298. rosariodc.com. (Laura Hayes)


Synetic Theater begins performances of The Mark of Cain, described by the company as “a neo-surrealist distillation of human history, seen through the eyes of Cain, the world’s first criminal.” 7 p.m. at 1800 South Bell St., Arlington. $20–$60.

Sing songs from the ’70s and ’80s at Jiffy Lube Live, where Sir Rod Stewart and Cyndi Lauper share the stage tonight. 7:30 p.m. at 7800 Cellar Door Drive, Bristow. $30–$170.

British rock duo Ultimate Painting performs at DC9 with local opening act Dot Dash. 9 p.m. at 1940 9th St. NW. $10–$12.

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