The subject of female player characters in video games has pushed its way to the forefront of E3 2014.Yesterday, Ubisoft developers spoke about how they chose not to have female assassin's in Assassin's Creed Unity's co-op, because it would have been too much work. But is that a legitimate reason?If this is your first episode, Friends List is a daily web series where we have one-on-one talks about a single question related to video games. The goal is to give Polygon's many team members across the globe and those involved in covering, designing and releasing games, an opportunity to speak with you.Today on Friends List, Senior Reporter Tracey Lien and Reporter Megan Farokhmanesh ask: Is "we don't have the resources" an OK excuse for keeping female heroes out of games?