PRESIDENTIAL ELECTION

Democratic presidential nominee Barack Obama announced former President Bill Clinton would be campaigning with him in the weeks leading up to the election. Polls by CNN/Time/Opinion Research Corp. in swing states conducted on Sept. 7-9 had mixed results. In Michigan, Sen. Obama lead with 45 percent, Republican presidential candidate John McCain had 42 percent and independent candidate Ralph Nader 6 percent among registered voters polled. Sen. McCain lead in Missouri with 48 percent, followed by Sen. Obama with 44 percent. In New Hampshire, Sen. Obama had 48 percent and Sen. McCain had 43 percent. Mr. McCain lead in Virginia with 49 percent to 43 percent for Mr. Obama.

SCIENCE

The Armoured Mistfrog, which hadn't been seen since 1991, was presumed extinct by most researchers after the chytrid fungus decimated frog populations worldwide in the late 1980s and early '90s. But a doctoral student in Australia researching another frog species discovered several of the 1.5-inch long Armoured Mistfrogs in a creek.

September is National Preparedness Month. If you're anxious about hurricane season or emergencies, two Web sites can help you and your family formulate an emergency plan. You can visit www.ready.gov/kids or www.cdc.gov/Features/BeReady.

The Insurance Institute for Highway Safety wants states to raise the driving age from 16 to 17 or 18 years old. The research group, funded by the auto insurance industry, cites that car crashes are the leading cause of death for teens, the Associated Press reported. In New Jersey, the driving age is 17, and the rate of teens killed in crashes is lower than nearby states. One argument against raising the age is the disadvantage of teens' reliance on parents to chauffeur them.