i've been saying this since the previous like, 3 versions of the RS ago...
Its totally stupid to not sell it here, when you have so much market that would be interested, including myself - though i'm now pretty loyal to subaru.
just look at the sales of the STI and the Evo here in america... i know at least here in california, they are all over the place. They get decent mileage, they are fast, they are safe, they are super cool looking, and they can fit 4 people and all of their stuff. thats like the quintuple crown of awesomeness right there.
besides... even if it doesnt sell like crazy, it will bolster the sales of your other CARS. it will show that ford has a heritage besides that of gas guzzling trucks and SUV's.
Subaru and Mitsubishi have been marketing their rally prowace over the more recent years, and using it to market their car lineups (even though Mitsubishi hasnt won anything since tommi makkinen in the late 1990's, and Subaru hasnt won anything since Richard Burns' and Petter Solberg's championships in 2001 and 2003) and this has obviously bolstered the sales of their cars.
Meanwhile Ford has slacked off TERRIBLY in that department (even though they've been highly competetive, and actually won the constructors championship a few times - beating the Subys, and Mitsubishis, and even Sebastian Loeb's Citroen team...) and have relied on this bullshit that they can just sell giant oversized trucks and SUV's and crap.
To be honest, i actually think Ford makes good cars... (GM, on the other hand really needs to step it up - and here I'm more of a chevy guy saying that), the Fusion and the Focus are definitely well built, and easily rival their japanese counterparts in reliability and mileage.
I think a great step in the right direction for Ford would for sure be to release, at least a few of these for sale in north america. It wouldnt even take that much to do - you're already making the fawkin thing!