U.S. imposes sanctions on Hong Kong chief executive Carrie Lam

The Trump administration is imposing a new round of sanctions on top officials in Hong Kong, including leader Carrie Lam. The move is in response to Lam implementing Beijing’s new national security legislation cracking down on political freedoms. CBSN contributor Isaac Stone Fish, a senior fellow at the Asia Society, joined CBSN’s Lana Zak to discuss.