An appeals court on Tuesday increased the corruption sentence for former first lady Kim Keon Hee to four years in jail, more than doubling her sentence after she unsuccessfully appealed a prior conviction. Kim is the wife of jailed former South Korean Preisdent Yoon Suk Yeol, who faces various convictions and charges  connected to him trying to impose martial law in December 2024, only to be impeached and suspended within weeks and removed from office and charged within months .  While still in office, Yoon had repeatedly used his presidential veto to block investigations into his wife's alleged misconduct, which preceded his ill-fated efforts to impose what public prosecutors portray as a coup.  Yoon's supporters evoked Trump rhetoric as they appealed for the hardliner's reisntatement outside the court Image: Jung Yeon-je/AFP What crimes led to Kim's jail sentence?  The appeals court found that Kim had participated in manipulating the price of a thinly-traded Korean…