My career was obviously cut shorter than I wanted it to be.
It's time to let science and medicine, not politics and rhetoric, lead us to good, sound policy.
Delay is the enemy of progress.
The pace of global warming is accelerating and the scale of the impact is devastating. The time for action is limited - we are approaching a tipping point beyond which the opportunity to reverse the damage of CO2 emissions will disappear.
I have disappointed and failed to live up to the standard I expected of myself.
The Tea Party isolated Mitt Romney from mainstream voters, linking him to a rabid ideology that he could not shake as he desperately tried to move to the middle in the closing weeks of the campaign. Lesson: The loudest voices don't often command the votes needed to win in November.