In the midst of the heartbreak and wreckage of 9-11, the world also witnessed what is America's greatest strength. Firefighters, nurses, police officers, first responders and local residents worked around the clock to rescue and care for those injured.

The eyes of the world are fixed on the U.S. to see if we have the political courage and moral sense to solve our debt crisis.

A major attack on our cyber systems could shut down our critical infrastructure - financial systems, communications systems, electric grids, power plants, water treatment centers, transportation systems and refineries - that allows us to run our economy and protect the safety of Americans.

I'm having a hard time understanding Donald Trump because he says one thing one day then corrects it the next day.

Russia's assertiveness in global affairs is something I look upon with great concern, which we need to address with eyes wide open and a healthy degree of skepticism.