You never need to bold or italicize anything in a pitch. If it needs emphasis, well, do it in your writing.
Then, three sentences later...
The embargo date? Sure, that makes sense. Nothing else, though.
( Source: The Next Web | 5 reasons why reporters hate your PR pitches )
I was told, early on, to not ever use the words "never" or "always".
Kinda makes the entire idea / argument / pitch go flat, and you less of a source of knowledge / expertise.