The world premiere screening was at the San Francisco International Asian American Film Festival, on Sunday, March 14, with the the director in attendance. It is more compelling and memorable than many a feature film. The latest addition to the genre, Stephanie Wang-Breal's brilliant "Wo ai ni (I love you) Mommy" is a documentary about an American adoption from China. There is an abundance of great films about a child lost in an alien culture, emblematic of the universal stranger-in-a-strange-land syndrome, to the tune of "Sometimes I Feel Like a Motherless Child." From "The Wizard of Oz" to "Live and Become," survival in a different, potentially hostile, world has been a meaningful subject.