21.   I see people afraid to crack a smile or reach out to one another.

22.   If ever there was occasion for Leif to crack a smile, though, it would be now.

23.   I think I saw the driver, battling the Big Dig and afternoon traffic, crack a smile, too.

24.   If you use a little imagination, you might see the big guy crack a smile.

25.   If he was not allowed to crack a joke, he might have cracked a smile.

26.   It was one of those scenes that once in a while causes even the most bitter sports fan to crack a smile.

27.   Lacy did not crack a smile.

28.   Maybe like Buster Keaton and Rodney Dangerfield, who crack a smile only when the dentist says open wide.

29.   Mijon cracks a smile.

30.   Nancy Knowles cracked a smile when she heard that Ted Turner was involved.