Being a girl in middle and high school can be tough, but a Northeast Georgia organization wants to offer support to these young women. WomenSource will host Girl Power 2015, a free half-day workshop for middle and high school girls and the women in their lives, from 8:30 a.m. to 1:30 p.m. Saturday at the Brenau Downtown Center. The event will include a general session and breakout groups, as well as a catered lunch and door prizes, and its theme is helping girls “unleash the possibilities.”