Joe Biden is calling for extra premium pay for the nation's essential workers, from healthcare employees to those who work in grocery stores and meatpacking plants.

By Associated Press

Sens. John McCain and Barack Obama addressed Latino leaders Tuesday as both candidates seek the support of Hispanic voters. Campaign advisers discuss the appeals to this key voting bloc and weigh the power of the Hispanic electorate in battleground states.

Sen. Barack Obama spoke to the League of United Latino American Citizens in Washington, D.C., on Tuesday as Obama and his rival, Sen. John McCain, seek support from Hispanic voters. Following is Obama's speech, as prepared for delivery.