I passed some time on a farm, but perhaps I'm just not considering something...
Saw
this on CNN:
House and Senate negotiators on an energy bill agreed to begin daylight-saving time three weeks earlier, on the second Sunday in March, and extend it by one week to the first Sunday in November. The House bill would have added a month in the spring and another in the fall.
According to some senators, farmers complained that a two-month extension could adversely affect livestock, and airline officials said it would have complicated scheduling of international flights.
I think cows only wear watches in the Far Side - I'd be interested to see who their Senator is...