Pundits have spilt a lot of ink trying to convince themselves that opposing illegal immigration is a losing political issue. Those include: Fred Barnes, Linda Chavez, Tamar Jacoby, the Wall Street Journal editorial page, Arlen Specter, and Michael Barone. Now, we turn to the Washington Post's E.J. Dionne ("Test Run For 2008", link). Note, of course, that the Washington Post explicitly supports illegal immigration: In Massachusetts's 5th Congressional District -- a collection of mill towns and affluent and blue-collar suburbs north of Boston -- the surprise issue was illegal immigration. [...