Due to Kleiner? Quite possibly. As already suggested by Kupo, what if seeing Lamaar at the end of HL2 is not simply some little joke, it is infact Kleiner ripping through into wherever Gman holds Gordon. But don't forget where we last left Kleiner.
"Fascinating, we've seem to have developed a very slow teleport. This suggests an entirely new line of investigation."
It has been speculated that Gman uses a slow teleport to sustain Gordon - Kleiner makes a breakthrough during the rebellion? Probably wrong, but worthy of discussion all the same. Though, I'm pretty sure its due to some input on the Vorts that he loses control...
"Fascinating, we've seem to have developed a very slow teleport. This suggests an entirely new line of investigation."
It has been speculated that Gman uses a slow teleport to sustain Gordon - Kleiner makes a breakthrough during the rebellion? Probably wrong, but worthy of discussion all the same. Though, I'm pretty sure its due to some input on the Vorts that he loses control...