A crowd of over 100,000 people brave bitter-cold conditions in Moscow to push for free and fair presidential elections. NBC’s Jim Maceda reports. (Nightly News)

More companies are releasing their Super Bowl ads early on YouTube, in the hopes that their commercials will go viral. NBC’s Lester Holt reports. (Nightly News)

Local and state police, roving TSA viper teams and sophisticated scanning equipment are ensuring nobody takes game security for granted. NBC’s Tom Costello reports. (Nightly News)

Mitt Romney is heavily favored in the Nevada caucuses and leads the polls by 20 percent. NBC’s Peter Alexander reports. (Nightly News)

Unemployment is at its lowest level in three years, but there’s still a long road ahead for the millions of unemployed Americans looking for work. NBC’s Phil LeBeau reports. (Nightly News)