We’re two weeks out from the premiere of MBC’s latest historical drama, Hwajeong (Splendid Politics), which has just released another teaser (the first teaser has been out a week; the second is newer). The sageuk trappings look familiar — royal protagonists looking conflicted, royal antagonists looking shifty and/or dark, court intrigue — but man, if that isn’t a standout cast: Cha Seung-won, Lee Sung-min, Jung Woong-in, Jo Sung-ha, Eom Hyo-sub…  The drama takes place in 17th-century Jos...