Kendrick Lamar’s Protégé Baby Keem Tells the Whole Story, Warts and All

The 25-year-old rapper and producer knows he’s benefited from his cousin’s support. But the path to his autobiographical album, “Casino,” was his alone.It has taken Baby Keem until now to feel open and skilled enough to pound his own tale of hardship, perseverance and extraordinary opportunity into a pointed piece of art.