It makes sense that David Cormican is optimistic about the impact new streaming services will have on Canadian producers. He’s halfway through the shoot of a new show called Between. It's a teenager-focused drama about a group of youth quarantined by the government after the outbreak of a mysterious disease. It is the first — and so far only — original Canadian show commissioned by U.S. streaming giant Netflix Inc. and new Canadian rival Shomi. The world of streaming services “is a little uncharted, so you can sort of make some of the rules as you go, or at least be on the first edge of creating those new rules,” Cormican, executive vice-president of...