"Pro union, but also for stronger anti-illegal-immigration measures? Ditto." As an aside, and hoping you find this interesting: Ralph Nader, who was a serious

"Pro union, but also for stronger anti-illegal-immigration measures? Ditto." As an aside, and hoping you find this interesting: Ralph Nader, who was a serious presidential candidate as late as 2000, did embrace exactly that combination ... I believe he claimed that (relatively) open borders were ipso facto anti-union.