BlackBerry CEO John Chen isn’t the kind of guy who pulls his punches. Earlier this year he described BlackBerry as “a sick patient” that desperately needed emergency treatment and now in an interview with The Globe and Mail he’s made a laundry list of all the grievous errors former CEOs-Mike Lazaridis, Jim Balsillie and Thorsten Heins made while they were running the ship. One overarching criticism he has of the company no matter who was running it is that it would often over-promise and under-deliver by either missing deadlines or pushing out products that were half-finished. “I-realize that the company has some credibility gaps,” Chen tells The Globe and Mail. “[Our carrier partners] always complain about us being late or,

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