Clinton gets down to campaign business with U.S. Rust Belt trip

By Amanda Becker PHILADELPHIA (Reuters) - Democrat Hillary Clinton took her newly energized campaign to become America's first woman president on the road on Friday to states in the "Rust Belt" that might decide the fate of the Nov. 8 election. After presenting an upbeat view of the country in her keynote address to the Democratic convention on Thursday night, the former secretary of state launched a campaign tour of Ohio and Pennsylvania, two heartland states hit by the decline in U.S. manufact