Even as the U.S. confronts two long wars, neither Sen. John McCain nor Sen. Barack Obama believes the country should take the politically perilous step of reviving the military draft. But the two presidential candidates disagree on a key foundation of any future draft: Mr. Obama supports a requirement for both men and women to register with the Selective Service, while Mr. McCain doesn't think women should have to register. Also, Mr. Obama would consider officially opening combat positions to women. Mr. McCain would not. "Women are already serving in combat [in Iraq and Afghanistan] and the current policy should...
