BELMONT, Mass - Republican presidential challenger Mitt Romney cast his vote in a Boston suburb on Tuesday morning, saying he felt good about his chances of winning the presidency.

After voting, Romney kissed his wife, Ann, goodbye and headed out for last-minute campaigning in Cleveland and Pittsburgh - cities in the crucial electoral states of Ohio and Pennsylvania.

Asked who he voted for, a visibly relaxed and happy Romney replied: "I think you know."

The former Massachusetts governor, who owns a house in Belmont, was asked how he felt and responded "very good, very good." As for his prospects in Ohio, Romney said, "I feel great about Ohio.