Is there anything more hillarious than listening to a bunch of farriers complaining about cold weather? Anyone that's ever driven a horse shoe nail will appreciate what follows. And, if previously you thought global warming is caused by carbon dioxide, think again. There's enough hot air coming off of this thread to warm the planet:

http://horseshoes.com/forums/showthread.php?t=9381

p.s. for the uninitiated, it is just real hard to drive a nail at 20 degrees, much less 0 or below.