Last summer, the world watched as a grieving orca mother carried her dead calf for 17 days. They were members of one of the Southern Resident orca pods that make their home in the Puget Sound — and scientists warn that this iconic Pacific Northwest species will not survive unless we take bold action. These orcas are critically endangered and the primary cause, according to scientists, is the disappearance of Chinook salmon — the orcas’ main food source. Southern Resident orcas eat almost nothing but Chinook salmon — it makes up 80 percent of their diet. But these salmon are rapidly vanishing because their path from spawning rivers into the Puget Sound is blocked by multiple dams. Chinook salmon are now listed as endangered, To save the orcas, we need to save their food source. I