Pulakeshinagar residents can air civic woes at Janaspandana on Oct 31. By Mayela Armas and Deisy Buitrago CARACAS, Oct 29 (Reuters) - Venezuelan opposition leader Maria Corina Machado said on Thursday the United States has suggested the country hold. US Secretary of State Marco Rubio has warned Venezuela's opposition against attempting to force political change through street protests, a day after exiled opposition leader María Corina.