You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: HALOGENS 
Clue: A reddish liquid, this halogen is often used to make sedatives & was once used to make EDB, an additive in lead gasoline
bromine

Category: FORBES' RICHEST PEOPLE 
Clue: Worth $53.5 billion, Carlos Slim, owner of Telmex, became the first person from this country to top the Forbes list
mexico

Category: AFRICAN-AMERICAN FIRSTS 
Clue: This man, seen here, went on the air as CNN's first African-American news anchor

bernard shaw