Ex-NBA star turned Kim Jong Un soulmate Dennis Rodman will be in Singapore during President Trump’s summit with the North Korean dictator next week, The Post has learned. “The Worm” will arrive in the country a day before the June 12 sitdown — and sources said he could even play some sort of role in the negotiations. “No matter you might think about his presence. One thing’s for sure the ratings will be huge,” a source said. “A lot of times in situations that involve complex diplomacy countries like to identify ambassadors of goodwill and whether you agree with it...