text: **Cash Flows – Operating Activities**
  Trends in our operating cash flows tend to follow trends in our operating income, 
  excluding non-cash charges, since our business is primarily cash-based. Cash flow 
  from operations in 2004 increased from 2003 due to higher operating income offset 
  by higher tax payments. Cash flow from operations in 2003 decreased from 2002, 
  resulting from the decrease in operating income and higher cash paid for taxes. 
  
  At December 31, 2004 and 2003, we held cash and cash equivalents of $435 mil- 
  lion and $280 million, respectively. We require a certain amount of cash on hand to 