(Birkie press release) Two-Day Sign-Up Happens on APRIL 1-2 There’s always something new going on at the Birkie to make life a little sweeter for participants in all our events–year-round. For those of you who already do more than one Birkie event and for those of you who would like to branch out and try new things, welcome to the “Birkie Bonus”–a way to sign up for 3 to 4 different events, all at one...