Marcus Brauchli, top editor of the Wall Street Journal is stepping down after less than five months since Rupert Murdoch took control of the paper.

Brauchli had been in the job for a year, Last month, he said in an interview that Murdoch was "very engaged" but "set broad objectives" to maintain the paper's independence.

Part of the agreement that allowed Murdoch to buy the WSJ stated that Murdoch could not remove three top-ranking editors, including Brauchli. With Brauchli's resignation, Murdoch can now choose a successor, but a special committee must approve of that person first, according to the agreement.

Some Journal staffers say that "Brauchli felt overshadowed by the paper's new publisher, Robert Thomson, a former editor of another Murdoch property, the Times of London."

Thomson said Murdoch is "clearly interested in challenging the journalistic establishment" by broadening the Journal's coverage. Washingtonpost.com's Howard Kurtz wonders if "the sense of anxiety [of Murdoch's political interference] could return if Murdoch names an editor, whether Thomson or someone else, from outside the Journal culture."

Source: WashingtonPost.com

UPDATE:
Brauchli wrote a memo to his staff that stated his reason as "now that the ownership transition has taken place, I have come to believe the new owners should have a managing editor of their choosing."

He acknowledges that "change was necessary" in the newspaper industry, but also when News Corp. bought Dow Jones, an editorial agreement was made to "block commercial or political interference in our journalism," read the memo.

Though Brauchli concedes that the new management has adhered to the agreement and that the "journalistic integrity remains intact," WSJ.com reports that Brauchli had difficulties being a mediator between the paper's traditions and News Corp's new vision. He had complained that "he wasn't always in the loop about new ideas" in the past few weeks, according to WSJ.com.

Reuters reports that the resignation could "reignite worries about editorial independence that were voiced during Murdoch's takeover bid when some staffers feared the Journal's reputation as the top U.S. business newspaper would be threatened if Murdoch became proprietor."

With Brauchli's resignation, current WSJ publisher Robert Thomson may take on a more active role in the newsroom, but isn't expected to be the interim managing editor, according to WSJ.com. There already is a search for the next managing editor. Brauchli, however, is likely to stay in the company, possibly as a consultant, says WSJ.com, guiding senior management, including "whether News Corp.'s Star-TV service in Asia should launch a business-news channel."

Murdoch said he believed Brauchli's experience "will be a great asset, especially in Asia -- a region where we see significant growth potential and where he has particular expertise."

Dean Starkman of CJR writes that "with Brauchli gone, the Journal newsroom loses not just a topflight editor and bureau chief, a great Asia hand, and someone who was a real, live reporter, [but also] loses a surprisingly savvy internal diplomat who, I thought, might just have been adroit enough to manage the inevitable tensions that would arise from the takeover, at least enough to preserve some of the Journal's great journalistic heritage."

Sources: Poynter Online, Wall Street Journal, Columbia Journalism Review, Reuters
through Poynter Romenesko