"Four states in 24 hours. Six states in 48 hours. Who knew that flying around on a private, business-class jet could be so frenetic?" writes New York City-based correspondent Jennie Matthew.
"This is the lot of a journalist following a 70-year-old man around the country in his quest to become the most powerful leader in the free world. The man is Donald Trump and that quest, the US presidential election.
"But following him as a reporter is exactly that: following."