Global National: Jan. 28

Ottawa prepares for protests as trucker convoys roll into the nation's capital - with demonstrators and demands. Why police are worried over the protests' numbers and the potential for violence. Plus, a look at the new Omicron - what we know so far about the BA.2 subvariant, as its numbers tick up around the world. Also, a look at the long and complicated history between Ukraine and Russia - how it has set the stage for the current crisis. And the fast and the fearless: meet the Canadian teen lugers going for gold in Beijing.