bill ackman's pershing square allegan, and valiant pharmaceuticals have agreed to end their long-standingattle over a failed agreement. valiant accused allergan of making false statements. allergan has since been purchased by activists. sir richard branson, one of the wealthiest entrepreneurs in the world, also a high school dropout. he is not alone. other successful entrepreneurs include larry ellison, bill gates, steve jobs. i caught up with branson last night in arizona. we had a long talk and talked about the challenges of educating entrepreneurs as well as the future of virgin galactic. richard: it is possible school is not necessary. i left school at 15 and i learned the art of entrepreneurialism by getting out there and doing it. i also educated myself in the real world. i have seen my life as one lung education that i never had -- long education that i never had. but that is for entrepreneurs. for a lot of other professions, it can be quite useful. universities can be quite useful. but for most entrepreneurs, the sooner they get out there and get their hands dirty, the better. cor