The comparisons to the St. Anthony Main, the tepid Mississippi development across from downtown Minneapolis, seem fairly unfounded. St. Anthony Main has always felt cheap and cobbled together--an urban mall where none was needed--but what is proposed in St. Paul appears to be a relatively well-thought-out mixed-use development. While not being a direct rip-off by any stretch, it's somewhat evocative of Kansas City's Country Club Plaza (more at Wikipedia). While KC overall is somewhat of a train wreck, the Plaza is fantastic, and a city like St. Paul should be able to grow off the Bridges, unlike KC has done with the relatively isolated Plaza.
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I hate to say it, but it looks like I actually agree with Joe Soucheray on this one.