Sex workers at a brothel in Pahrump, Nevada, are fighting to unionize. If successful, they'd be the only unionized brothel in the United States.

Nevada is the only state where people can legally purchase sex, and now sex workers at one of the state's oldest brothels, Sheri's Ranch, are fighting to become the first in the U.S. to unionize.

Bayes' theorem is a statistical formula used to calculate conditional probability. Learn how it works, how to calculate it ...