I worked for a labor union once. Boy did it open my eyes. I quote on my exit interview.
I will NEVER work for this company again, nor will I recommend it to anyone I know. It promotes lazy people because they have tenure, never mind that they have the IQ of a wet sock and talks to clouds.
Needless to say I burned my bridge and don't really care. That company can burn to the ground and I wont even blink. Heck I'd bring some sticks and marshmallows. (BTW I only recommend you burn bridges if you have a good resume, money, and experience to back your claim. Until you do kiss ass as much as you can.

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Unions are good concept, but an unrealistic one, with unrealistic ideals. I say scrap them all and start over.