Simon Harris is due to become taoiseach on Tuesday and will have just under one year to convince voters to re-elect a ruling coalition including Fine Gael. How he intends to do this began to emerge from his address to the party’s ard fheis in Galway last night. Harris began his speech with housing, especially homeownership. “Every action we take will be to increase supply and stop families falling into homelessness,” he said. Next came business and the difficulties caused by rising costs, with a promise that “Fine Gael will introduce a package to support businesses” under his leadership, without…