BeLaunch 2014 kicks off this Wednesday in Dongdaemun, but It’s a fair bet that some of the contenders in this year’s startup battle are still perfecting their presentations. I did competitive pitches for almost 10 years in the PR industry and now I’m telling the world about my current company. From this experience, I’ve found some clear attributes that winning pitches have. Here’s the list: 1. Tell a Great Story Your slides…