US president Barack Obama  shakes hands with Cuban president Raul Castro during the memorial service for Nelson Mandela. Florida congresswoman Ileana Ros-Lehtinen, a Republican, called the gesture “nauseating”. Photograph: Chip Somodevilla/Getty Images

Cuban-American politicians in the United States have voiced criticism at President Barack Obama’s historic handshake with Cuban leader Raul Castro (...)

American singer Beyonce and her husband rapper Jay-Z leaving their hotel in Havana at the beginning of April. The visit was a cultural trip that was fully licensed by the US treasury department, a source familiar with the trip said. Photograph: Enrique De La Osa/Reuters

Jay-Z and Beyoncé, the first couple of the US music industry, have come under fire from Republican lawmakers for a three-night(...)