Last week, the Axios news outlet reported that his grandson, Raúl Rodríguez Castro – commonly known in Cuba as “El Cangrejo”, meaning The Crab – is the Trump administration’s point of contact inside Castro’s inner circle. If so, he’s considered one of his grandfather’s most trusted confidantes, having been his personal bodyguard, and more business-orientated than ideological, with no high-level diplomatic experience. Neither side, especially not the Cubans, have confirmed he’s in talks with Rubio.