IF this story is true, Kevin Durant should have known better. It’s probably not a good idea to sue someone that knows things that you don’t want the public to know. KD filed a lawsuit against his travel agent, Lynn Swanson, saying she overcharged him by at least $500,000 for work she did from 2007 to 2012. Well she sang like a canary about Durant & his team because of it. Hit the jump for details…