The Issues - Barack Obama (D-Ill.)

Abortion: Favors abortion rights. As Illinois lawmaker, opposed restrictions on public financing of abortions.

Global warming: Co-sponsored bill that would set mandatory caps on greenhouse gas emissions and raise energy costs. Has goal of cutting greenhouse pollution 20 percent by 2020.

Gun control: Voted to leave gun-makers and dealers open to suit. Also, as Illinois state lawmaker, supported ban on all forms of semiautomatic weapons and tighter state restrictions generally on firearms.

Health care: Wants universal coverage by 2012; details not specified.

Immigration: Voted to give illegal immigrants a route to citizenship after they pay fines and back taxes, learn English, satisfy a work requirement and pass a criminal background check. Voted for building a fence along Mexican border, and toughening requirements that citizens be given preference for jobs over guest workers.

Iran: Proposed regional conference that includes Iran, Syria and other neighbors, aimed at stabilizing Iraq. In 2004 Senate campaign, held out possibility of military action against Iran if sanctions designed to stop its nuclear program did not work.

Iraq: Supports capping troop levels at 130,000, beginning withdrawal May 1 and completing pullout of combat brigades by March 31, 2008.

Stem cell research: Supports relaxing restrictions on federal financing of embryonic stem cell research.

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