(LEAD) tvN doubles down on time-slip genre with 'Chicago Typewriter'
(ATTN: UPDATES with more details in paras 12-16)
By Chang Dong-woo
SEOUL, April 5 (Yonhap) -- South Korea's TV dramas have seen a glut of time-slip works in recent years, with varying degrees of success. Series such as "My Love from the Star" and "Gu