Rand Paul is flatlining

Start typing the words "is Rand Paul..." into Google, and the search engine's autocomplete function fills in the rest of the question: "... still running for president."
The answer, of course, is yes — but barely. Indeed, if Paul were a patient on the operating table, he'd be flatlining right now. By nearly every measure, the Kentucky senator's White House bid is struggling to find a pulse.
Paul seemed to be on the verge of being demoted to the undercard stage in the next Republican presidential debate, the...