A U.N.-adopted nuclear ban treaty is likely to enter into force early next year as the number of signatories is anticipated to reach the needed threshold of 50 soon, possibly later this month, a diplomatic source said Friday.According to the source and the International Campaign to Abolish Nuclear Weapons, or ICAN, 46 countries and regions have completed ratification procedures.The Treaty on the Prohibition of Nuclear Weapons, adopted in 2017, will enter into force 90 days after it has been ratified by at least 50 countries and regions.At least four additional countries have already notifie…READ FULL ARTICLE