New words and meaning:

Evergreen - retaining freshness or interest.
"If the Sudan genocide is not covered properly we will lose any evergreen appeal."

Tantivy - in a headlong dash: at a gallop.
"We rushed tantivy into Iraq and will probably do the same with Syria."

Chary - hesitant and vigilant about dangers and risks, slow to grant, accept or expend.
"The US remains chary about the quality of Canadian beef."

Rubicon - The WMD lies should have been Bush's Rubicon for the American people.
- ie/ point of no return