msnbc Live, 2/10/14, 6:20 PM ET

Why Michelle Obama's 'Let's Move' matters

30 Seconds to Know: What’s so controversial about Michelle Obama’s “Let’s Move” campaign? It’s working. MSNBC’s Joy Reid explains why the First Lady's campaign, now in its fourth year, is critical for a nation struggling with obesity.

Why Michelle Obama’s ‘Let’s Move’ matters

Updated
 

What’s so controversial about Michelle Obama’s “Let’s Move” campaign? It’s working.

On the fourth anniversary of the first lady’s campaign, MSNBC’s Joy Reid explains in 30 seconds.

Michelle Obama

Why Michelle Obama’s ‘Let’s Move’ matters

Updated