The ever-competitive delegates at Davos have a new challenge this year: walk 6km (just under 4 miles) and have a bike donated by Swiss bank UBS and World Bicycle Relief in what is being called a "Walk for Education".
"We believe that by the time Texas is over, we'll be very, very competitive in delegate count," he said.
"Wisconsin did not do anything to change the basic dynamic of the contest, so he still faces the problem of not being as competitive for delegates".
The Clinton campaign is also looking to Pennsylvania, which votes on April 22, to provide another big-state victory and to stay competitive in the delegate chase.
Unlike competitive matches, there are no delegate representatives to monitor referees, which in these cases are supplied by the sports agency.
"But can it still be about widening access when it's increasingly about finding new business models and competitive advantage?" Many of the delegates shared Dr. Lawton's skepticism.
Although the Republican race appears to be a battle between Mr. McCain and Mr. Romney, polls show Mr. Huckabee is competitive with Mr. McCain in Tennessee, Alabama and Georgia, where 175 delegates are at stake.
If Ohio was also competitive, he could emerge ahead in terms of delegate count.
But he is unlikely to be competitive in the caucuses, or to receive any delegates at all in Massachusetts and Vermont, and he is not on the ballot in Virginia.
Those two primaries award the most Democratic delegates, and Mr. Bradley may prove more competitive with black voters in those states, where he is better known and will have an enormous incentive to spend time and resources, Democratic strategists say.
