The administration's attitude toward the UN has evolved from antipathy to engagement.
Both McCain and Obama have said the schools should be more open to the military recruitment program.
Obama would expand federal service efforts; McCain would rely more on private sector.
The campaign hopes to increase the ranks of American volunteers from 61 million to 100 million by 2020.
Pastor Rick Warren interviews Obama and McCain in a live broadcast Saturday.
Teens can now get marijuana and prescription drugs more easily than last year. But drug usage is not up.
Expecting a more aggressive approach, they offer advice to the McCain and Obama campaigns.
Vocal coach Melissa Cross teaches heavy-metal rockers to find their inner beast without getting hurt.