(LEAD) Park Tae-hwan returns home for 1st competition in 18 months

(ATTN: ADDS comments in paras 7-9, photo)

INCHEON, April 21 (Yonhap) -- Disgraced former Olympic swimming champion Park Tae-hwan returned home Thursday to enter his first competition in nearly 18 months.

Park came from his training camp in Austral