Global warming is real and human activity is the main cause. The consequences are mainly negative and headed toward catastrophic, unless we act. However, the good news is that we can meet this challenge. It is not too late, and we have everything we need to get started.

In digital era, privacy must be a priority. Is it just me, or is secret blanket surveillance obscenely outrageous?

As long as the government's actions are secret, it cannot be held accountable. A government for the people and by the people should be transparent to the people.

Speaking from my own religious tradition in this Christmas season, 2,000 years ago a homeless woman gave birth to a homeless child in a manger because the inn was full.

George Orwell once wrote that a false belief sooner or later collides with physical reality, usually on a battlefield.

I smoked pot in college and in the Army.

The Pacific Yew can be cut down and processed to produce a potent chemical, taxol, which offers some promise of curing certain forms of lung, breast and ovarian cancer in patients who would otherwise quickly die... It seems an easy choice - sacrifice the tree for a human life - until one learns that three trees must be destroyed for each patient treated.