By Sam Laskaris, Local Journalism Initiative Reporter, Windspeaker.com When Stellat’en First Nation filmmaker Lyana Patrick was invited to become involved in a film project in British Columbia she jumped at the opportunity. That’s because the film’s focus was on the decades-long struggle by her own First Nation against the disruption of an important river. Patrick is days away now from the world premiere of the feature documentary she directed titled Nechako: It Will Be a Big River Again. The film will be screened for the first time in Vancouver on May 3 at the DOXA Documentary Film Festival. The documentary chronicles the challenges that her Nation and neighbouring Saik’uz First Nation have endured since the Kenney Dam was built in the 1950s. Construction of the dam diverted 70 per cent…