While many hackers have the knowledge skills and tools to attack computer systems they generally lack the motivation to cause violence or severe economic or social harm.

Building technical systems involves a lot of hard work and specialized knowledge: languages and protocols coding and debugging testing and refactoring.

Since September 11th Congress has created the Department of Homeland Security more than doubled the homeland security budget and implemented a bipartisan overhaul of our intelligence systems.

It's a different outlook and one that I understand. When you are a former member of the Warsaw Pact when you have lived behind the Berlin Wall when you have experienced the communist systems that existed in these countries for them the West represents hope.

Everyone knows that exercise can improve your health. Exercise is a key part of managing your weight and maintaining healthy hearts lungs and other bodily systems. But did you know that exercise can make you more productive? The latest research shows that a regular exercise routine can make you happier smarter and more energetic.

It is imperative for the health and safety of millions of workers that we ensure that breathing systems needed for protection are widely available convenient and economical.

As the GAO report recognizes the long-term health of our forests relies on additional fuel reduction options and funding to reduce the risks that catastrophic fire poses to our nation's ecosystems communities and federal budgetary resources.

There are a range of associated impacts related to increasing temperatures which affect both evaporation rates and river systems which are already over stressed and these will hit farming communities and the health of crop lands.

We are losing our living systems social systems cultural systems governing systems stability and our constitutional health and we're surrendering it all at the same time.

The biggest public health challenge is rebuilding health systems. In other words if you look at cholera or maternal mortality or tuberculosis in Haiti they're major problems in Haiti but the biggest problem is rebuilding systems.