NTD News Today Full Broadcast (Aug. 21)

Trump postpones Denmark trip after Prime Minister says Greenland not for sale; Trump says he had to ’take China on,' regardless of short-term impact on U.S. economy; Pence renews pledge to put humans on Mars; and China says it has detained a UK consulate employee. 🇺🇸More Breaking News, Special Reports, and Live Coverage on NT...