Paying your taxes can be a real bummer, but the plethora of special Tax Day promotions and giveaways on deck will hopefully brighten moods in Washington today. For those of you able to be near the IRS Building (10th and Pennsylvania) from noon to 1 p.m., you’ll be able to get a free 6 oz. Blizzard from the Dairy Queen’s Blizzard mobile. A number of local restaurants are also offering Tax Day promotions: >>…

[Note: Last week, the comma that normally follows the word “Reader” in the title was inadvertently left off. Anyone who really feels strongly about that is invited to attend June Casagrande’s signing at the Wilson Boulevard Olsson’s in Court House this Wednesday at 7 p.m. She wrote a book about you, so eat your shoots and leaves and attend. 2111 Wilson.] MONDAY The Folger Shakespeare Library hosts Pulitzer prize-winning poet Charles Simic as he reads…