In this episode of Washington to Washington...Its a billion dollar business in Washington state but illegal under federal law. Banks who do business with cannabis stores face risks including federal prosecution. How are lawmakers in Congress and Olympia addressing the issue? And why is cannabis banking reform so critical to marijuana retailers?

On this issue of Washington to Washington we cover the thorny topic of immigration. Can elected leaders in Washington D.C. resolve an issue that has so far defied lasting solutions? How are lawmakers in Olympia addressing the issue, and how does immigration policy impact people in Washington state, from "dreamers" to farmers? Guests include U.S. Reps. Dan Newhouse and Pramila Jayapal, and State Sens. Rebecca Saldana and Doug Ericksen.