Rescuers help abandoned chimps used in medical experiments04:37
In order to make medical advances, scientists often use animals as their first line of testing, but what's the responsibility to these animals once testing is complete? That question is being asked about a group of chimpanzees on offshore islands along the Liberian coast. NBC's Keir Simmons reports.
Iran foreign minister: ‘Why should we trust President Trump?’01:18
UPS truck hijacker shot and killed in California00:48
William Barr sworn in as attorney general00:24
Amazon axes plans for New York City headquarters03:23
McCabe says DOJ discussed pushing Trump out of office03:02
Trump plans national emergency to fund border wall04:37