1.   Now, though, with the summer travel season approaching, lines will get longer if the normal pattern holds and millions of vacationers flood the airports.

2.   Should that pattern hold, the ritual nudge the yen gets early each year could end as well.

3.   The pattern holds when New York City is compared with Buffalo, Syracuse, Rochester, Albany and Yonkers.

4.   The same pattern holds when Singh generates line drawings of different female figures and asks male volunteers to rank them for attractiveness, sexiness, health and fertility.

5.   Will the historic pattern hold and the market rally, or are things different this time?