PHILADELPHIA — The first breakdancing competition Ben “BoxWon” Barnes McGee entered as a teen was held at the Municipal Services Building Plaza in Center City. His crew made it to the finals, but came in second overall. “When we lost I cried and my best friend came to console me,” Barnes McGee recalled. “He said ‘The fact that you’re crying over this event means that you care and you’re going to be great.’ ” And, over the next decade, Barnes McGee proved his friend right. Now a world champion b-boy with nearly 60 titles to his name, Barnes McGee, 28, of West Philly, has joined the leadership …