"Political correctness (adjectivally, politically correct; both forms commonly abbreviated to PC) is a term applied to language, ideas, policies, or behavior seen by some as seeking to minimize offense to gender, racial, cultural, disabled, aged or other identity groups. Conversely, the term "politically incorrect" is used to refer to language or ideas that may cause offense or that are unconstrained by orthodoxy" (Wikipedia definition).
Here's a good place to start: she thinks you're ugly, you are seriously impaired, 9/11 could have been an inside job, and religion might be the root of all evil. When was the last time you enjoyed a friendly discussion in mixed company that involved any one of those possibilities? For some reason, I have always been iconoclastic and politically incorrect. I see nothing wrong with seeking the truth where ever it may have gotten lost. In fact, I think that looking behind the façade of political correctness is a virtue. Let's be real. Do the people in Iraq, Afghanistan and Pakistan think we are the "good guys" as we murder their brothers and sisters and label it "collateral damage", or do they blame the other guys?