Emily Shire at The Daily Beast thinks it’s a terrible idea for UFC champion Ronda Rousey to go head to head in the ring with boxing champion Floyd Mayweather. Why? Because Mayweather has a history of domestic abuse (he’s been convicted of violence against women five times, though only served one sentence) and, as Shire writes: “A future fight between Rousey and Mayweather wouldn’t strike a blow for equality—but would likely underscore how appalling violence between men and women really is.” Rousey thinks differently. She’s been going after Mayweather, notoriously slamming him fresh off her win of the ESPY award,...