Understandably, the feelings of frustration and anger, the sense that any response is inadequate -- we expect that frustration and anger to continue until we actually solve this problem.

WHITEHOUSE: President Obama Assesses BP Oil Spill Response

There was growing frustration in Brussels about the lack of response from Tehran on the proposed new meeting.

WSJ: Iran Says It Is Set for Nuclear Talks, but West Is Skeptical

The study, which polled 1, 011 U.S. tablet users in June, found that typing large documents (more than 500 words) was the chief frustration among respondents, netting a 44% response.

FORBES: Taking The Pain Out Of Tablet Typing

He has expressed frustration that the state legislature has not acted more quickly to form a response to the Newtown tragedy.

NPR: In Connecticut, Biden Urges Action On Gun Control