[tetris11]

I also wonder....

    function sudo { su -c "$@"  root }

though I guess half the struggle is enabling sudo without a password

[iso1631]

"sudo" asks you for your individual password. "su root" asks you for a single root password

[Arnavion]

To be precise, whether sudo asks for your password or the target's password is configurable, and different distros have different defaults.