You could make Obi-Wan a little slow...

DOOKU: Your swords, please. We don't want to make a mess of things in front of the Chancellor.

OBI-WAN: Because of the Chancellor.

(Followed by a long, awkward silence, or a hesitant yes from Dooku).

...

OBI-WAN: This time we do it together.

ANAKIN: I was just going to say that. (Or even better, have him repeat his "No, I'm taking him now!" line from AOTC)

OBI-WAN: Because of Master Yoda.

ANAKIN: No...

OBI-WAN: Because of Master Windu.

ANAKIN: No...

etc.

...

ANAKIN: From my point of view the Jedi are evil!

OBI-WAN: Because of...[lists all Jedi he names in the movies in turn.]