The Cannes Film Festival was wondering that Saturday, when Kore-eda Hirokazu's elegant and emotional "Like Father, Like Son" premiered. Though reviews varied, "Like Father, Like Son" largely charmed Cannes with its sweet, understated examination of nature versus nurture. The families are opposites of one another: one headed by a wealthy, driven professional (the Japanese pop singer Fukuyama Masaharu) with strict expectations of his only child; the other father a poor but lively shopkeeper (Lily Franky) with two other playful children. With the graceful simplicity that characterizes Kore-eda's films (I Wish, ''Nobody Knows), the film contemplates the nature of parenthood — where it begins, how it develops — as the two families debate exchanging their sons. The film focuses on the actor's character, as he slowly begins to question his hard, remote approach to fatherhood. The director said the film, which ends ambiguously, wasn't made to convey a message, but to reflect his own experiences. Spielberg has long gravitated to stories of fathers and sons, but whether "Like Father, Like Son" struck a chord with him won't be answered until the Palme d'Or is announced May 25 at the end of the festival. Rev Run is one of hip-hop's legendary rappers, but these days, he's spinning records — and is finding the experience may be even more enjoyable than rapping. Ruckus said he has learned a lot from Run — "It's obviously an honor to be on the road and have such a mentor and legend and somebody who helped create all of what I worked with." Run hasn't given up his day job: next week, he's performing at the Atlanta Braves' baseball stadium with partner McDaniels for a Run-DMC gig after the team's game. [...] she loves the experience so much that she likens it to a wedding. For some, the experience of picking an outfit and standing in front of the world's media is a daunting prospect, but Kapoor, being an actress at heart, treats the carpet like a stage.