Donald Trump Jr to testify

President Trump's eldest son, his former campaign manager, and his son-in-law are to testify before US Senate committees investigating possible Russian meddling in last year's presidential election. Uruguay has become the first country in the world to legally sell marijuana for recreational use. Plus, scientists in the United States have reversed brain damage in a toddler.

(Photo: Donald Trump Jr. attends An Evening with "The Celebrity Apprentice" in New York City; Credit: Getty Images)