Aggressive optimism and a no enemies policy pays dividends — Eric14 aka Eric Baldeschwieler (@jeric14) during ApacheCon 2011 North America Thursday Keynote.     After all of these years doing BI, why have I jumped on the bandwagon of Hadoop and Big Data? Well, if you read some of my previous blog posts like Revelations – rolling the Hard Six to SQL BI and Hadoop or At a Crossroads … from SSAS to BigData! – I never left the Big Data wagon in the first place. Whether it is Tier-1 BI, web analytics, or Big Data – it’s all…