The whole WS-* versus REST thing is beyond tedious. They are both supposed to be about interop not world dominance. On the other hand, here we have an example of pragmatism winning out over fundamentalism - Ping will show OpenID / CardSpace integration. At RSA Ping is demoing "An OpenID IdP Server that uses CardSpace for runtime authentication."
Paraphrasing George Clinton "free your digital identity and your mind will follow." Since, he synthesized about a half dozen musical styles, spanned about three musical eras and is sampled by every record that does not only sample James Brown...clearly this is a man whose identity cannot be captured in a single namespace.
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