Big BI and the ladder man to come calling at the Tableau conference

Howard Dresner is a celebrity in the business intelligence industry, but most people at last year's Tableau conference didn't even recognize him when he showed up there.

Who needs BI? Tableau Software liked to think it had left BI behind. BI people, after all, were the control freaks who denied access to data. They sneered at Tableau's "pretty pictures."…