Harris to focus on grocery costs, child tax credit in economic agenda, advisers say  ReutersKamala Harris economic plan to focus on groceries, housing and healthcare  The Guardian USHarris to focus on plans to lower high food prices in economic speech  POLITICOThe Latest: Harris begins policy rollout; material from Trump campaign leaked to news outlets  The Associated PressHarris Is Set to Lay Out an Economic Message Light on Detail  The New York Times