Walmart says it's using tariff refunds to lower prices as sales show slowest growth in 6 years

Walmart says it's planning to use $2.9 billion in tariff refunds to lower prices as it reports its slowest sales growth in six years. CBS News' Kelly O'Grady has more.

Walmart says it's planning to use $2.9 billion in tariff refunds to lower prices as it reports its slowest sales growth in six years. CBS News' Kelly O'Grady has more.