The chance that Iran's leaders will order construction of nuclear bombs might be 50%, and the chance that they will be used might be 0.4%/year, or 4% per decade. The number of people killed by the bombs if they were used might be 500,000, for an expected value of 10,000 lives per decade.
Human News aims to devote 1 character to each 40,000 life-years, or 1000 average lives. Thus, this story can have about 10 characters.
Comparing the space devoted to articles in Human News and on the front page of the standard newspaper, this article occupies 0.5% of Human News and 11% of the standard newspaper.