America's savings problem and secrecy in South Dakota

Why do many Americans have trouble saving money for emergencies? Economist Allison Schrager debates this question and the impact of oil prices on spending with hosts Cardiff Garcia and Shannon Bond. Then, the FT's Kara Scannell explains why foreigners are sending their money to South Dakota to set up family trusts. Visit FT.com/alphachat for show links and notes. Music by Minden.