Tyler Meredith has been one of the driving forces behind no fewer than six federal budgets and served as the top economic advisor to Prime Minister Trudeau and two finance ministers, so he knows a thing or two about how budgets are made. Today he joins us to explain how exactly the federal government's budget (like the one released last week) is put together, where the ideas come from, who decides what makes it in, how plans turn into policy, and how the money actually gets distributed.