Why this strategist says not everything is fine with the US economy

Stocks are mixed today. The S&P 500 holding above the 6,000 level. The benchmark index has bounced over 20% from its April lows.Our next guest calling for caution amid the rally, citing re recent weakness in economic data. Joining us now, David Kelly. He is JP Morgan Asset Management's chief global strategist and head of the global market insights strategy team.David, it's wonderful to speak with you. Thank you for making the time this morning. I know in your latest you talk about how you see an economy tha ...