Pop Quiz: Why Can't 'Swear Words' Be Said On TV?

In this segment of 'Pop Quiz,' Newsy's 'In The Loop' explores why certain words can't be said on air and how the rules evolve with language over time.

Dancing around risky language is common for many forms of on-air media. Sitcoms and family shows have been making substitutions like "sugar" and "fudge" for expletives and curse words for quite some time. 

But why can't "swear words" be said on TV?

Newsy itself has a standards team which deals with that question daily.