'Tis the political season, which means the season to bash immigrants. This goes especially for so-called illegal aliens, i.e., residents without government papers. (As if that's a big deal.) Candidates and others who are so set on securing the Mexican border -- the Canadian border seems of less concern -- and expelling those who had the audacity to come to the land of the free without permission mainly rely on two arguments: jobs and welfare. If those are the best arguments they've got, they haven't got much.The rest of this week's TGIF, "A Matter of Priorities," is at the Foundation for Economic Education website.