Taiwan cannot afford chaos or "experiments" when it comes to being president, the frontrunner to be the island's next leader said on Wednesday as the opposition remained mired in a bitter dispute on mounting a joint presidential challenge.
The Jan. 13 election will shape Chinese-claimed Taiwan's relations with Beijing at China steps up military pressure to assert its sovereignty claims.
Vice President Lai Ching-te of the ruling Democratic Progressive Party (DPP), who China views as a separatist, leads opinion polls, while talks between the two main opposition parties to team up have floundered.
Lai and his running mate, Taiwan's former U.S. envoy Hsiao Bi-khim, formally registered with the election commission on Tuesday, but it remains unclear what the opposition will do. The deadline to register is Friday.
Lai told reporters he and Hsiao were "confident and determined to lead Taiwan steadily in the chaotic situation."
"Taiwan cannot afford chaos and experimentation at this moment," he said.
The Kuomintang (KMT), Taiwan's main opposition party which favors close ties with Beijing, had agreed with the much smaller Taiwan People's Party (TPP) last week to make a joint ticket and take on Lai.
But neither party can agree how to interpret opinion polls on which of their candidates — the KMT's Hou Yu-ih and TPP's Ko Wen-je — should stand for president and which for vice president.
Hou on Tuesday called for re-opening talks on the opinion polls and said he had never insisted he had to be the presidential candidate.
The KMT's interpretation of the polls was that having Hou as presidential candidate was best for beating Lai and Hsiao, which the TPP has rejected as unscientific and not in line with its statistical analysis.
On Wednesday, Ko's campaign director Huang Shan-shan gave no sign of backing down and criticized what she said were attacks on her, the TPP and Ko by the KMT.
"Our enemy is Lai Ching-te. This turmoil has let Lai lie around at home. He's very happy," Huang said.
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