Most people who watched President Donald Trump's primetime address to a joint session of Congress had a positive opinion of what he spelled out in his speech, according to snap polls. Trump has been ...

We’ve all heard it, “Don’t be so negative!” Or “Try to be more positive!” We learned to give each other these false consolations and advise them this way from generations upon generations of thinking ...

Is your glass half-empty or half-full? How you answer this age-old question about positive thinking may reflect your outlook on life, your attitude toward yourself, and whether you're optimistic or ...