So I guess the N in NA stands for "never"...
Alternatively, you could say that NA stands for 'Not Applicable'.

The nice part of me says: My sympathies to all in the US who were looking forward to The Last Story. And hey, you never know, the stake through the heart hasn't come just yet. There's still hope.
The nasty part of me says: Ha! Now you know what it's like! Sweet, juicy justice is served!
Seriously though, if you really, really want to play it, you shouldn't hesitate to import. Using one of the homebrew methods to allow it to work isn't really all that different from what everyone did to make Gamecube region free.