On Jan 8, Jeremy Cooper wrote
> [...]
> tty as long as two conditions are followed:
> 
> 1. You are in the wheel group.
> 2. You know root's password.
> 

and 3. That your 'su' binary is root suid:
      -r-sr-xr-x  1 root  bin  12288 Dec  6 16:45 /usr/bin/su*

I've been hit by this problem some times, for different reasons ...

--
Manuel Bouyer, MASI, Universite Paris VI.
email: bouyer@masi.ibp.fr
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