Ron Paul is a really difficult candidate to photograph because he doesn't really interact with people.
On March 10, HBO will broadcast a movie based on the book "Game Change" that portrays Ms. Palin as a difficult candidate who was not knowledgeable about policy matters.
While the other center fielder in this series — Curtis Granderson — has received considerable attention as a candidate for the American League Most Valuable Player award, Ellsbury's production is making him a difficult candidate to ignore.
While most advisers still maintain that Mr. Romney has significant advantages — organization, discipline and support of the Republican establishment — Democrats pointed to at least two areas that could make Mr. Gingrich a more difficult candidate to face.
An evangelical Protestant who holds fundamentalist views on a number of social issues, she will nevertheless be a difficult candidate for PT to attack during the election and will pick up a large protest vote from many of its natural supporters.
If anything, the debate underlined the extent to which Democrats view Dr. Dean as a difficult candidate to attack, because of the unconventional nature of his candidacy and of his supporters, many of whom have been drawn into politics for the first time.
On November 20 , 2012 Obama's campaign manager Jim Messina suggested that the Obama campaign believed Huntsman would have been a particularly difficult candidate to face in the general election.
"If the question is whether or not Marco Rubio is a more difficult candidate to run against than Ted Cruz," said Guy Cecil, chief strategist for Priorities USA, "than the answer is yes.
Trump is a difficult candidate to cover because it's expected that, by the time someone becomes a credible presidential contender, that someone will have laid out a lot of policy plans; but Trump can count the number ideas he has on the fingers of one stubby hand.
Delay differential equation exhibit a rich dynamic, which make them a difficult candidate for parameter estimation [ 32, 33].
