31. Perot said solemnly, re-using a laugh line that drew applause last week at an American Legion convention. 32. But laugh lines are gradually leaking out. 33. Sooner or later we're all going to have lines; we might as well make them laugh lines . 34. The reaction she's gotten from ads that include women with gray hair and laugh lines encourages her. 35. "Trailer park " is a laugh line . 36. She confirmed it, and finessed the issue with a laugh line : " I'll take a drug test. 37. The smile that had worn laugh lines into his face now came harder to this white-haired New Yorker. 38. His laugh lines also are lame. 39. She said people who say they like their laugh lines are either in denial or afraid of needles. 40. Everyone gets a laugh on each laugh line even though the tiny audience has heard it dozens of times.