I got a duplicate mailing too, and was wondering the same thing. For what it's worth, since the union doesn't seem to be allowed, it seems, to use company emailings, I spit off a bunch of bcc blackberry emails to classmates and people I've flown, reminding them of the deadline and who to call if they are unaware of their lost/junk mail-ignored ballot info. I was two for two in tours with people who wore NJSAP lanyards yet seemed unaware of the ballots or vote deadline.