Courts have concluded that no one should be convicted of perjury without demonstrating that the testimony in question was in fact false, that the person testifying knew it to be false, and that the testimony involved an issue that is material to the case, one that could influence the outcome of the matter one way or the other.

CNN

One of those private e-mails at issue involved an exchange between Martin and Vickie Patton, the General Counsel for the Environmental Defense Fund, regarding an arranged meeting with him.

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But this is not just an issue for the couples involved.

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These are -- these have to be met with a seriousness of all those involved about making progress on an issue.

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Libous told the AP there was "no way" he would do that because hydrofracking is an issue in which he was deeply involved as a senator representing the Broome and Chenango counties.

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The health bodies involved say it is disappointing and is an issue that needs consideration at a national level.

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Driving was an emotional issue for Mark, but with the police involved, it was less of a problem than it had been for the family alone.

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Rich and Jim, how did you get involved in this, and how did it become an issue you were part of?

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Ms Rimmer said the protest had involved "communities from across Lancashire, so it's not just an issue that's for isolated areas - it affects the whole of the county".

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And I think -- I think there was an acknowledgment on the part of all those involved that we have a window of time to work together on this issue.

WHITEHOUSE: Press Briefing