One of our favorite things to do on Toolkit is speak with rising stars in the world of directing, and we got to do just that this week with Celine Song, whose debut film 'Past Lives' is landing firmly in the top of most "best of the year so far" lists. She explores how she tackled challenges unique to this particular love story, especially the careful presentation of language. Song wrote the script in two languages and sought an unusual level of control over subtitles in order to protect the nuances of the love story, just two of many reasons 'Past Lives' feels both deeply personal and incredibly confident in its craft.