In a move that has sent shockwaves through the rap world, Kendrick Lamar has resurfaced with a diss track aimed at Drake and J. Cole. Lamar’s verse on Metro Boomin and Future’s “Like That” has reignited the age-old tradition of rap beefs, and started stirring debates about legacy, clout and the essence of hip-hop culture. Lamar’s verse on “Like That” makes it clear that he’s not here to play games. Addressing the notion of a “big three” in rap, which includes himself, Drake and J. Cole, Lamar...