MEXICO CITY -- Secretary of State Colin Powell said Tuesday that President Bush will place a high priority in his second term on granting legal status to millions of migrants who live illegally in the United States. Powell spoke at the inaugural session of the U.S.-Mexican Bi-National Commission, which annually brings together top officials from both sides to discuss a range of cross-border issues. Powell was joined here by five other members of Bush's Cabinet. "The president is committed to comprehensive immigration reform as a high priority in his second term, and he will work closely with our Congress to...