BloombergBloomberg News has cut about 90 newsroom staffers in New York, Washington and overseas as John Micklethwait, editor-in-chief since late last year, puts his stamp on the privately held media giant.

"It always hurts to let talented, dedicated people go, and no journalist likes to tell other journalists that they are losing their jobs," wrote Micklethwait in a lengthy 3,000-word memo.

The cutback is "not about downsizing" but about "refocusing our considerable resources."

The former Economist editor wants BN to be the "chronicle of capitalism" and not "slavish boosters" since its "clever busy" clients "don’t expect us to know everything about everything, especially when we have so many specialist rivals."

BN will strive to capture everything that matters in global affairs in the areas of business, finance, markets, economics, technology and politics/government. Categories such as sports and education are dropped.

The e-i-c said the editorial job is to expose financiers' mistakes and vanities to probe into imperfect markets and to point to potential speculative bubbles.

He criticized "lengthy self-indulgent stories" because too many failed to engage or seduce the reader.

"We need to put the resources into our new fast commentary team ("Bloomberg Gadfly"), our custom morning briefing ("Daybreak"), more data journalism, increased social media monitoring, our new markets TV show, our global radio network and better coverage of venture capital, market structure and campaign finance," he wrote.

Micklethwait wants to cover more than just what goes on in the company's home city of New York.

He wrote: "We have begun to change this. Government will be run out of Washington, technology from San Francisco. We have appointed new executive editors in London and we will appoint more in Asia. Again we have stressed that stories should be edited locally when possible, rather than wend their way up through several layers to New York and back again."

The refocusing process however is the best way "to be true to our purpose," according to Micklethwait.