First Lady Jill Biden will deliver an address at UNESCO headquarters Monday as the United States was preparing to rejoin the international cultural organization after a six-year hiatus. Photo by Chris Kleponis/UPI | License Photo July 24 (UPI) -- First lady Jill Biden arrived Monday in Paris where she will deliver an address at UNESCO headquarters as the United States was preparing to rejoin the international cultural organization after a six-year hiatus. The first lady, accompanied by her daughter Ashley Biden, landed at Orly airport shortly before 10 a.m. Monday, and was greeted by a crowd on the tarmac. Advertisement...