BY KRIS MAHER, ELLEN E. SCHULTZ AND BOB TITA

In the wake of Washington's health-care overhaul, some companies are taking big one-time charges for anticipated costs, fanning tension with the administration over the legislation's impact on corporate America.

Three companies that were among vocal opponents of the legislation have warned they would see an immediate impact on their earnings as a result of the loss of deductions on tax-free subsidies they receive for providing retiree prescription-drug benefits.

On Thursday, Deere & Co. said it would take a $150 million one-time charge in the current quarter related to the loss of deductions. Earlier in the week, Caterpillar Inc. reported a ......read more