Tractor Beam Version 1.0

Laser 'tractor beams' to tidy up space junk - tech - 29 April 2010 - New Scientist http://www.newscientist.com/article/mg20627585.900-laser-tractor-beams-to-tidy-up-space-junk.html

A new thruster design could make it possible for dead satellites to be pushed, pulled and steered by lasers aboard other craft

- Not really a tractor beam as such but at least they're thinking along the right lines.