Harvey Weinstein’s former lawyer warned Garth Brooks about going on the offensive against his sexual assault accuser. Defense attorney Duncan Levin called the country music singer’s decision to sue his accuser and share her name was a “bold move” that carries “significant risks”, RadarOnline.com can reveal. Levin told Fox News: “On the one hand, filing a defamation suit signals that Brooks is taking an aggressive stance to protect his reputation. “This can sometimes work in favor of public figures who believe they are falsely accused as it forces the accuser to provide evidence supporting thei…