What should nickels be made of...

Serious question.. what should nickels be made out when they can no longer be made of the current alloy? I am liking stainless steel.
"I am sorry you are unhappy with the care you recieved, is their anything I can do for you right now, how about some high speed lead therapy?" - A qoute from my wife's nursing forum
"I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them." – Thomas Jefferson
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