By Shaun Tandon NEW YORK, United States (AFP) — Chuck Berry, one of the creators of rock ‘n’ roll who helped shape modern youth culture with his dance-ready rhythms but who struggled to overcome institutional racism, died Saturday. He was 90. Police in the St. Louis area, where Berry was born and lived most of his life, said that first responders found the guitar legend unresponsive when they answered an emergency call at his home. […]