Planet for Texans

When the whole ornery state of Texas took off for a new planet more to their liking, New Texas was the result: a rough-and-tumble world where everyone packs a gun and it's legal to shoot politicians (if they deserve it)! But now these rugged and independent space pioneers are the targets of an expansive race of aliens. Is the Solar League's new ambassador tough enough to steer them back to Earth's embrace?