US highly alerted over Omicron with tailored vaccines prepared UN expert decries near 'tyranny' in US against minority voting rights Dow ends 2.5% lower as new Covid variant causes year's worst drop US stocks see heavy losses on concern over new COVID-19 variant US should not impose radical concept of rights on other countries: WSJ Brazil looks to Chinese visitors to boost tourism Wisconsin parade deaths add to heightened tensions, deep division in US: media Youth in US poverty-stricken areas more likely to die from firearms: US News & World Report California sees spree of 'smash-and-grab' robberies at high-end stores Biden takes conflicting steps in treating China as adversary and partner: NYT Biden's recent push on energy prices dragging him away from climate target: media UN report reveals hypocrisy of US on human rights 'Smash-and-grab' crimes sweep US major cities: report 77% Americans think inflation affects daily life US COVID-19 vaccination uneven, high rates among federal personnel US to curb travel from eight southern African countries over new COVID-19 variant Peru President pledges support for earthquake victims Denver to set record for latest winter snowfall Thousands residents have power outage on Thanksgiving in US California