(Refiles to correct paragraph 8 spelling of “Petro”) BOGOTA (Reuters) -A delegation from Colombia’s National Liberation Army (ELN) traveled to Venezuela for what the leftist rebel group said could be a new phase in peace talks with the Colombian government that will also involve other ELN representatives. The visit is a next step towards the government’s goal of full peace to end a nearly six-decade internal conflict that killed at least 450,000, analysts say. The United States and the European Union consider the rebels a terrorist group. The talks will include representatives from Cuba, Norwa…