President Trump is ordering an additional 1,000 troops to the Middle East, after Iran announced on Monday that it would soon defy the 2015 nuclear deal that the U.S. pulled out of last year. Here & Now's Jeremy Hobson talks to Democratic Congressman Adam Schiff of California. Also, the use of vape pens, electronic cigarettes and other "electronic nicotine delivery systems" have exploded over the last decade or so, especially among teenagers. But compared with traditional cigarettes, there's very little research on the public health effects of this booming industry.
