Effectiveness would not be measured by reductions in obesity rates, which may take years to develop (and is a point on which many current obesity prevention policies fail), but by more proximal (and temporally closer) outcomes, such as reductions in calories consumed or diet quality.
Polls suggest a close outcome.
Ripken edged Bell by 44,611 votes in the closest outcome at any position.
If there is a close outcome to the next election, such things could have big consequences.
Mr. Torricelli said "there will be a sense of entitlement" on Mr. Gore's part because of the close outcome.
In that period, the Election Commission may disqualify any candidate who has violated electoral rules, potentially changing a close outcome.
And the two Democrats are expected to divide the state's 83 delegates given the close outcome.
North Carolina: In this, the most expensive and heavily polled contest of the year, a close outcome was always likely, and it looks like we'll get one.
As polling day approached the opinion polls suggested a close outcome, and newspaper headlines were dominated by a slanging match over the economy.
The last time the Iowa caucuses produced such a close outcome was in 1980, when George Bush beat Ronald Reagan by two percentage points.
