HARRISBURG-In Pennsylvania, the biggest swing state prize in the US presidential election, renters – whether still working or retired – are struggling. But whether they choose Ms Kamala Harris or Donald Trump, immediate relief is not a given.In Dauphin county, home to the state capital Harrisburg, skyrocketing inflation, soaring rents and spiralling real estate prices have made it difficult to balance the budget every month. Retiree Sonia Perez says her 35-year-old son Xavier, who works full-tim