Start your week smart: Ukraine, Shootings, North Korea, New Mexico, Twitter

Things looked very different at this time last year. Covid-19 vaccines were rolling out across the country and millions of people were lining up daily to get their shots -- or to get swabs shoved up their noses. Fast forward to today. Following a wave of rapid innovation, the first Covid-19 breathalyzer test will soon make its way into medical offices and mobile testing sites.