A new documentary about childhood immunizations, “The Greater Good,” could intensify debate around the potential dangers of vaccines. The film, which premiered Saturday at the Dallas International Film Festival, aims to create “a rational discussion” about vaccine safety, according to producer and co-director Chris Pilaro, who worked previously as a producer on such Sundance documentaries as “Blue Vinyl” and “Everything’s Cool.”

Pilaro immediately rejects the notion that “The Greater Good” might be labeled “anti-vaccine.” “The media has said that if you ‘question’ [the current status quo] yo... read the rest.