Keystone State Keys
Pennsylvania's Democratic primary on April 22 could be a win-or-go-home contest for Hillary Clinton--and a chance for Barack Obama to show he can compete in a big, industrial battleground state. How the pros see the fight shaping up:
Where the Votes Will Come From
20% PHILADELPHIA
15% PHILADELPHIA SUBURBS
15% Pittsburgh area
10% LEHIGH, BERKS AND NORTHAMPTON COUNTIES
40% REST OF THE STATE
How They Can Win
BARACK OBAMA Run up huge margins in Philadelphia and with African-American voters statewide; achieve parity in Philadelphia suburbs; win big with college kids
HILLARY CLINTON Win suburban women as well as...