Not only does the new test enable the TB bacteria to be identified more quickly, it allows doctors to add various drugs to the liquid media in which the sample is grown to determine which would be of benefit in tackling the infection.

BBC: NEWS | Health | TB test 'could save many lives'

For the media, it's fun to sample the local fare, whether it's strawberry juice or the hummus that's been ubiquitous on every stop of this tour.

CNN: Traveling with Bush: Bling, strawberry juice and goat brains?

Although the AP poll shows Huckabee at 10 percent, the poll's sample period began nearly a month ago, before Huckabee's recent heightened media attention.

CNN: GOP race still wide open in South Carolina