President Donald Trump arrives on stage to speak at the U.S. Cellular Center in Cedar Rapids, Iowa, Wednesday, June 21, 2017. He remains very popular in this first-in-the-nation caucus state.
President Donald Trump arrives on stage to speak at the U.S. Cellular Center in Cedar Rapids, Iowa, Wednesday, June 21, 2017. He remains very popular in this first-in-the-nation caucus state. Susan Walsh AP
President Donald Trump arrives on stage to speak at the U.S. Cellular Center in Cedar Rapids, Iowa, Wednesday, June 21, 2017. He remains very popular in this first-in-the-nation caucus state. Susan Walsh AP

How not to primary Donald Trump

July 07, 2017 5:00 AM