Mayor de Blasio Takes Your Calls; Deed Transfer Scams in NYC; Groundbreaking Gene Research

Scientists have created a new genome editing tool that can modify DNA with groundbreaking accuracy. Hear why it’s both the newest darling and potential villain of genetics research. Plus: Mayor de Blasio talks about affordable housing and education, and takes your calls; a proposal by the federal government to enforce a no-smoking policy for apartments in public housing; and the rise of developing nations.