11.   These questions haunt financial markets today and raise a larger issue that affects the culture of American politics.

12.   This question haunts financial markets.

13.   This question haunts the thinking portion of humankind.

14.   Those questions haunted Ellison throughout his career.

15.   Questions still haunt Hindenburg disaster.

16.   If President Bill Clinton admits Monday to an improper or sexual relationship with Monica Lewinsky, that question could haunt him until his last day in office.