As a 22-year Army Veteran who served in Operations Desert Storm and Iraqi Freedom and as a Civilian Advisor to the Afghan Army in Operation Enduring Freedom I understand both the gravity of giving the order and the challenge of carrying it out.

But there is a corollary to freedom and that's personal responsibility and the real challenge is how you generate that personal responsibility without imposing it.

Pervading nationalism imposes its dominion on man today in many different forms and with an aggressiveness that spares no one. The challenge that is already with us is the temptation to accept as true freedom what in reality is only a new form of slavery.

We still believe in the America that is a land of opportunity and a beacon of freedom. We believe in the America that challenges each of us to be better and bigger than ourselves.

Our single most important challenge is therefore to help establish a social order in which the freedom of the individual will truly mean the freedom of the individual.

But Australia faces additional regional and global challenges also crucial to our nation's future - climate change questions of energy and food security the rise of China and the rise of India. And we need a strong system of global and regional relationships and institutions to underpin stability.

We created a line of pet food called Nutrish that's made to human standards and 100 percent of the proceeds go to animal rescue. One of our top-tier donors is the ASPCA and they help us challenge animal shelters all across the country to get more animals placed in homes.

It's challenging but you have to at least try to eat right and exercise.

I think if you exercise your state of mind - my state of mind - is usually more at ease ready for more mental challenges. Once I get the physical stuff out of the way it always seems like I have more calmness and better self-esteem.

I certainly want campaign finance reform. I just wish this would do it in a way that would stand up to a constitutional challenge.

The vehemence with which certain critics have chosen not simply to criticize what I've written but to challenge my writing this story at all speaks of what the book is about: fear of disapproval.

I had to do this very aggressive big score in a very short time and knowing that in the beginning middle and end would be this very very famous theme but I still had to weave a score around it and make it work as a score was really challenging.

The poster boy for our superabled future is Oscar Pistorius an increasingly famous South African sprinter who happens to have had both of his legs amputated below the knee. Using upside down question mark-shaped carbon fiber sprinting prosthetics called Cheetah blades Mr. Pistorius can challenge the fastest sprinters in the world.

I'm doing a new musical on Broadway which opens in October called 'The Boy from Oz ' where I play Peter Allen. For those of you who don't know he became first famous in America for marrying Liza Minelli.

In the richest country in the history of the world this Obama economy has crushed the middle class. Family income has fallen by $4 0 but health insurance premiums are higher food prices are higher utility bills are higher and gasoline prices have doubled. Today more Americans wake up in poverty than ever before.

I have faith the men and women of the Coast Guard will immediately rise to the challenge and see the people hit by Katrina through until the storm has truly calmed.

Bereavement is the sharpest challenge to our trust in God if faith can overcome this there is no mountain which it cannot remove.

Sectarian divide has created a schism in our society that is a major challenge. As monarch of all Bahrainis it pains me to see many harmed by the actions of a few. And yet I am optimistic and have faith in our people. We all realize that now is the time to strike a balance between stability and gradual reform.

Competition got me off the farm and trained me to seek out challenges and to endure setbacks and in combination with my faith it sustains me now in my fight with Alzheimer's disease.

Women have been taught that for us the earth is flat and that if we venture out we will fall off the edge. Some of us have ventured out nevertheless and so far we have not fallen off. It is my faith my feminist faith that we will not.

A witness in the sense that I am using the word is a man whose life and faith are so completely one that when the challenge comes to step out and testify for his faith he does so disregarding all risks accepting all consequences.

Workers have kept faith in American institutions. Most of the conflicts which have occurred have been when labor's right to live has been challenged and denied.

Happy is the son whose faith in his mother remains unchallenged.

It's lack of faith that makes people afraid of meeting challenges and I believed in myself.