Fear is a potent emotion that serves to protect us from pain and harm.

FORBES: Fear: Is It Stifling Your Experience Of Being Alive?

It's a national security issue to protect our borders from those who wish to do us harm.

NPR: Immigration Debate Divides Laredo

The Budget invests substantial resources to protect the United States from those who would do us harm.

WHITEHOUSE: Testimony of OMB Director Nussle

"The president is determined to protect our country from those who would still seek to do us harm, " said White House spokeswoman Claire Buchan.

CNN: U.S. mulls how to charge Afghan detainees