Fed Chair Powell: Delta variant a wildcard for economy

Federal Reserve Chairman Jerome Powell said Tuesday that the economic impact of the delta variant remains unclear.

"While more people are getting vaccinated, the pace of vaccination has slowed," Powell explained. "A couple of months ago, we were ahead of many other similar countries in vaccination. Now we're falling behind, and one result you're seeing is the current outbreak of the delta strain that we're seeing in some parts of the country." 

According to the Centers for Disease Control and Prevention, more than 315 million COVID-19 vaccine doses have been administered to date, with roughly 72% of...