Symposium now published ahead of print: "Shifts in #Mutation Bias Promote #Mutators by Altering the Distribution of #Fitness Effects" by Marwa Z. Tuffaha, Saranya Varakunan, David Castellano, Ryan N. Gutenkunst, and Lindi M. Wahl
https://www.journals.uchicago.edu/doi/10.1086/726010#fn1
https://www.journals.uchicago.edu/doi/10.1086/726010#fn1