SALEM (AP) — Canadian developers who want to build a casino outside Portland have blanketed the airwaves and mailboxes with promises of $100 million for schools and public services from a project they’ve dubbed “The Grange.” That’s a lot of money. But if the two companies asking voters to authorize Oregon’s first nontribal casino give the state the same deal they gave governments elsewhere, it could be quite a bit more. Opponents say the developers have a mixed record of results, claiming a handful of their projects have fallen apart or failed to generate anticipated revenue. One company was fined …