"The department was set up primarily to protect us from another terrorist attack from Islamic terrorists, and yet they talk about everything but that"

This quote by Peter King is describing the Department of Homeland Security, which was produced in the wake of the 9/11 terrorist attacks. King is revealing his disappointment that the Department is not concentrating on the primary function of its development, which is to safeguard the United States from another terrorist attack from Islamic terrorists. He thinks that the Department is instead concentrating on other problems, such as migration and border security, which he believes are not as crucial as the main function of the Department. King is suggesting that the Department must be more focused on its main function, which is to protect the United States from another terrorist attack from Islamic terrorists. He thinks that this should be the Department's top priority, and that it needs to not be distracted by other issues.