I think that the guy coming to DC/USA must be connected to Harrison's bad past as like a smuggler or bad guy of some sorts? Maybe he's his old boss or something. I don't think we were ever told this, but based on Olivia "helping" Harrison get through that period I assumed this was one of the skeleton's in his closet coming out.
Harrison worked for him. Did some embezzlement or insider trading or some crap like that. It was told in the epi where Sirus was composing files on all of them when he thought Olivia sent him the sex tape of Amanda Tanner and the POTUS.
He was a completely different (and very amusing, but occasionally sinister) character in weeds. I'm not sure how much I care for the character Huck, but I think the actor is ok.
Always with the squinting and labored breathing. It seems so amateur to me.
Anyway the entire show is beyond ludicrous like a soap opera at times. Then again, so are most tv shows, but I don't bother watching those.
I like Kerry Washington, so I watch it, but I think I'm about to be done.