Park Geun-hye Cheol-soo had been working with Moon to merge their bids . `` From now on , Moon Jae-in is the single liberal candidate , '' Ahn says . Ahn will face governing party candidate Moon Friday .
Ahn Cheol-soo had been working with Moon Jae-in to merge their bids . `` From now on , Moon Jae-in is the single liberal candidate , '' Ahn says . Moon will face governing party candidate Park Geun-hye next month .