Chicago paper, for short

TRIB

["Think of a well-known daily newspaper in the Windy City; what might its friends call it?"]

The clue "Chicago paper, for short" leads to the answer "TRIB" through a straightforward reference to a well-known newspaper. The Chicago Tribune is a major daily newspaper based in Chicago. The term "for short" indicates that the answer is an abbreviation or shortened form of the full name. Therefore, "TRIB" is a common abbreviation for the Chicago Tribune. This clue relies on the solver's familiarity with major newspapers and their abbreviations.