WASHINGTON — Both Democratic presidential candidates, who promise to curb the influence of corporate lobbyists in Washington, helped enact narrowly tailored tax breaks sought by major campaign contributors.

Sen. Barack Obama’s presidential campaign has accepted $54,350 from members of a law firm that in 2006 lobbied him to introduce a tax provision for a Japanese drug company with operations in Illinois, according to public records and interviews. The government estimates the provision, which became law in December 2006, will cost the treasury $800,000.

Lee ADDS: So much for Obama’s claims of , “I am indebted to no group!’