The answers to the clues below will have something in common.

1. Asian counterpart to Madame Butterfly 

2. Pay before taxes

3. Karl Marx topic

4. What a North-South thoroughfare is to to an East-West one.

Answers:

 

1. MISS SAIGON

2. GROSS SALARY

3. CLASS STRUGGLE

4. CROSS STREET - - - Each clue answer has three consecutive S's.

 

Credit:

Robert Wemischner