When Bikini Kill reunited in 2017, later embarking on a tour that united feminist punks across generations, it introduced a clawing, almost desperate question in the back of my brain: Would Le Tigre ever reunite? The art punk, electronic, “whatever-you-wanna-call-it” group, fronted by Bikini Kill’s Kathleen Hanna alongside Johanna Fateman and JD Samson, last toured in 2005, promoting its only …