Obama sees potential in traditional red states such as Virginia, Colorado, and North Carolina. McCain looks to target blue states including Pennsylvania and Michigan.
New factories could end a production logjam. But consumers may not see prices drop before 2010.
They need to pick running mates with strong résumés.
Earthquake experts say the collapsed schools may be a sign of poor construction despite adequate building codes.
The highest US total is from 1999, which had 676 tornadoes from January to mid-May.
As the price of this waste product and biodiesel ingredient has risen, so have thefts.