What’s delaying US midterm election calls in Mississippi and Alaska?

Democrats have regained control of both chambers in the United States Congress during this year’s midterm elections, with a wave of victories that party leader Hakeem Jeffries likened to an “American tsunami”.But as of Wednesday night, two races for Congress’s upper chamber are still undecided.Recommended Stories list of 4 itemslist 1 of 4Trump administration renews bid to block Alaska election resultslist 2 of 4Alaska’s two ‘Dan Sullivans’: How common is ballot stacking, does it work?list 3 of 4What is ranked-choice voting and how does it work in US elections?list 4 of 4When will we know the US midterm election results?end of listA cliffhanger in the southeastern state of Mississippi and a scandal-plagued Alaska race are the final Senate contests to be tallied.Currently, the Democrats will usher in the 120th Congress on January 3 with a majority of at least 54 seats in the 100-member Senate.If they succeed in winning both Mississippi and Alaska, they will need fewer Republican breakaways to avoid the filibuster, a means by which the minority party can indefinitely stall legislation in the chamber. Filibusters can be avoided with a 60-member vote in the Senate.So why are Alaska’s a...