Barack Obama took a "tough love" message to African American youth, telling that finishing high school is a better route to success in life than an unlikely trip to the NBA or the top of the rap industry. "You are probably not that good a rapper. Maybe you are the next Lil' Wayne, but probably not, in which case you need to stay in school," Obama, D-Ill., told a cheering crowd, brought to a standing ovation at a town hall meeting in Powder Springs, Georgia. The presumptive Democratic nominee was speaking about high school drop out rates and the need...