Welcome to the online edition of The New York Times Upfront, where you'll find a selection of articles from our print edition. (For information on subscribing to the print edition, with all its addtional articles, graphics, and teacher's edition, please click here.)

FEATURES

COVER STORY

9/11: Five Years Later
On the morning of Sept. 11, 2001, the U.S. and the world changed forever.

NATIONAL

The 200-Year Debate
The U.S. has been wrestling with the issue of immigration since its founding.

INTERNATIONAL

Pain at the Pump
Americans are screaming, but we pay less for gas than most of the world.

India: Quotas vs. Castes
Affirmative action is as controversial in India as it is often in the U.S.

ENVIRONMENT

Is the Planet in Peril?
Many scientists fear global warming is slowly threatening Earth's future.

TIMES PAST

1971: 18-Year-Olds Vote
The Constitution's 26th Amendment lowered the voting age from 21 to 18.

DEPARTMENTS

NEWS & TRENDS
Leeches make a comeback; sugary drinks flunk out; China's cyber-snitches; and more

DEBATE
Should Iraq be split up in order to save it?

OPINION
Excerpts from New York Times columnists

CARTOONS
Some lighter looks at what's in the news