I don't know why I didn' look before, but for those who appreciate an
arguement "from authority"; not particularly me I might add, though I do
put some added weight to the pronouncements of authority.
Griffith's popular upper division textbook on E&M, IMO, plainly says
that current can be considered a vector quantity.
See eqn 5.14 page 208 of third edition, or discussions on pages 211 and
212 of the text.
________________________
Joel Rauber
Department of Physics - SDSU