Does Kanan have to spend a focus token for each attack from a Twin Laser Turret, therefore using 2 focus tokens instead of 1?

That's a good question, but it specifies "normal effect" and "during the modify attack & defence dice" so not sure but I do think think it would limit kanan

Yes.

....So equip that Recon Agent and on your merry way

....So equip that Recon Agent and on your merry way

Not to get confused with Intel agent