A presidential campaign exposes candidates' strengths and weaknesses. The strengths they're eager to tell you about. So let's look at the weaknesses.

Since there is no demand for dangerous medicine, international action has a far greater chance of success than the war against narcotics.

"We're not going to lose in New Hampshire." So says Mitt Romney's state coordinator Jason McBride. Whether that confidence is well founded may determine the fate of the candidate who has been the on-and-off front-runner in the race for the Republican presidential nomination.

Why Iowa? Nothing in the Constitution says that Iowa gets to vote for president before any other state. It just does.

Immigration is becoming a key issue in presidential politics.

Speaker Nancy Pelosi had effectively lost control of the House, so she decided to shut it down and let Democrats go home and try to salvage their seats, possibly ending her career as House speaker with abrupt defeat.

The Obama Democrats' policies designed to stimulate the economy have actually shocked it into immobility and rather than increasing consumer spending, Americans are not spending at all.

Even with few questions on the nation’s fiscal position and foreign policy, most of the Republican candidates performed pretty well. If that’s the way the Republican primary voters and caucusgoers see things, the result may be to tighten the race for the nomination.