1.  If so, the only rational response is plain disbelief.

2.  Arguably this was a rational response to electioneering for someone who, unlike Chirac, knows next to nothing about it.

3.  All this is not a rational response to utilitarian needs by people who moonlight as haulers of sundries.

4.  But rising margins might represent a rational response to market forces rather than industrywide collusion.

5.  Conservatives hailed the decision as a rational response to the case first taken up by the Clinton administration.

6.  I know this was not a rational response, given that cookies are not programs that can run amok.

7.  New York City Mayor Rudolph Giuliani has been praised for a rational response to terror.

8.  Oh, you could go get a satellite broadcast system, or a pair of rabbit ears, both rational responses to an irrational move by the entertainment giant.

9.  Those same frightened companies are cutting jobs, a perfectly rational response when sales are disappearing.

10.  Worrisome factors are noted, including the facts that bad investments can pull down good ones globally, and that the speed of markets now can stampede rational response.