bower ESUDO         Cannot be run with sudo

    Additional error details:
    Since bower is a user command, there is no need to execute it with superuser permissions.
    If you're having permission errors when using bower without sudo, please spend a few minutes learning more about how your system should work and make any necessary repairs.

    http://www.joyent.com/blog/installing-node-and-npm
    https://gist.github.com/isaacs/579814

    You can however run a command with sudo using --allow-root option