(3rd LD) S. Korea, U.S. reaffirm alliance; urges N. Korea to give up nuclear program

(ATTN: RECASTS throughout with comments by Park and Obama) By Kim Kwang-tae WASHINGTON, Oct. 16 (Yonhap) -- President Park Geun-hye and U.S. President Barack Obama on Friday reaffirmed the alliance between the two countries as they pressed North Kore