C++0x Concepts - Dead?

[bearophile]

Walter Bright:
> There are unconfirmed reports that this morning, the C++0x standards 
> group in Frankfurt voted to kill Concepts.

C++0x Concepts are too much complex for the advantages they offer.
Can't they replace Concepts with something similer like D constraints?

C++0x can also take a look at Haskell, where the idea of Concepts is done much better :-)

Bye,
bearophile