Maybe Seasonal Affective Disorder (SAD) is bringing me down – or not.

Overcast winter weather triggers SAD. Lack of exposure to sunlight can cause higher levels of melatonin and lower levels of serotonin in the brain, which can cause depression-like symptoms.

But then again, maybe it’s the news – and not SAD – that’s triggering my listlessness.

According to The Washington Post, the latest Congressional Budget Office estimates show the federal deficit “reached $1 ...