Trump on Muslim 9/11 celebrations: "I saw them, I was there"

Republican presidential candidate Donald Trump is doubling down on comments he made over the weekend that Muslim-Americans in New Jersey were seen celebrating after the September 11th terror attacks.  CBS News Senior Political Editor Steve Chagarris spoke with CBSN about Trump's latest controversy.

• #news_politics
• #video
• #live_streaming
• #live_video
• #cbsn
• #donald_trump
• #republican
• #gop
• #muslim
• #american
• #new_jersey