The United States has refused North Korea's claims that the Saturday denuclearization talks were not a success, with the US State Department pointing to some new initiatives that could help make progress in the negotiations.On Saturday, Pyongyang's chief negotiator Kim Myong Gil announced that US-North Korean talks in Stockholm failed because the US delegation had not carried out the necessary preparations and did not put anything on the negotiation table. The North Korean delegation recommended terminating the talks until the end of the year."The early comments from the DPRK delegation do not reflect the content or the spirit of today's 8 1/2 hour discussion. The U.S. brought creative ideas and had good discussions with its DPRK counterparts," US State Department Spokesperson Morgan Ortagus said in a Saturday statement, adding that the US delegation "previewed a number of new initiatives that would allow us to make progress in each of the four pillars of the Singapore joint ...