During her four-decade-long career at the Washington Post, the left-leaning Marcus has covered legal affairs, politics and policy.

Ruth Marcus, a longtime columnist at The Post, said its publisher refused to run her critique of the new focus for the paper’s opinion section.

A longtime columnist is leaving the Washington Post after a clash with the newspaper's publisher over an op-ed she wrote criticizing owner Jeff Bezos' changes to the opinion pages. Columnist and associate editor Ruth Marcus announced her departure Monday,