Best K-pop nominees (clockwise from top left) BTS, EXO, Monsta X, Red Velvet, (G)I-DLE and TXT (Twitter)  MTV has released the list of nominees for 2020 Video Music Awards (VMA) and several K-pop acts are in the running in three categories.  The 2020 VMAs will air on Aug. 30 (Aug. 31 in the...