Global warming / Climate change
Other environmental concerns
Flu (or other) pandemic
Terrorism / Crime
Proliferation of firearms
Jobs exported outside U.S.
Drug abuse / Cartels
Overbearing government - Taxes, regulations, spending, etc.
My fear for society: Religious persecution and legislating of opinions/silencing free speech.
Tired of elections being between the lesser of two evils.When the debate is lost, slander becomes the tool of the loser. -Socrates
Semper Fidelis, Semper Liber.
Stolen fair and square from the Capt. Courtesey himself.I spit at lots of people through my computer screen. Not only does it "teach them a lesson" but it keeps the screen clean and shiny.
"Human kindness has never weakened the stamina or softened the fiber of a free people. A nation does not have to be cruel to be tough."
"The knowledge and prudence of the poor themselves, are absolutely the only means by which any general and permanent improvement in their condition can be effected." - Thomas Malthus
Of the list, probably government oppressiveness.
Of other things mentioned, being framed or in general strung up by the public on some trumped up character charges would be next I suppose.