President-elect Biden preparing for first days in office despite Trump denials

White House officials refuse to meet with President-elect Joe Biden or assist his transition team, as President Trump continues to push unfounded claims of voter fraud. But Biden is still moving forward with plans to deal with the pandemic, economy, immigration and climate change. CBS News' Michael George reports on the latest, and then CBS News correspondent Nikole Killion joins CBSN's Lana Zak to discuss where things stand.