"Omission" is here taken to be the failure to do something one can and- The Catholic Encyclopedia
ought to do. If this happens advertently and freely a sin is committed.
Now read Michelle Malkin's post on the selective quoting of Marine Cpl. Jeffery Starr's letter by the N.Y. Times in its "memorial" piece on American's who have given their lives in Iraq.
Here is the email information for the The New York Times Public Editor Byron Calame, who represents the readers: firstname.lastname@example.org.