Unlikely to happen. This isn't "how do we rethink C", there are plenty of other, better places for that to happen. It's how do we make incremental improvements that benefit us, but remain in the spirit of C and compatible with the enormous existing body of code.

In fact there's a Charter describing it better than I can:

http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2086.htm