Where can I search for old news articles or evidence of public sentiment? In your memory what was the zeitgeist at the time? For most of my life it has been s

Where can I search for old news articles or evidence of public sentiment? In your memory what was the zeitgeist at the time? For most of my life it has been something like: we recently crossed some threshold, if we don't act now we'll cross this other one, disaster is 15-30 years out. Recent freak natural disaster is going to become a yearly thing.