John Whitesides writes in the Reuters:

Presidential politics spiced up Independence Day celebrations across Iowa on Wednesday, as Bill and Hillary Clinton and Mitt Romney competed for attention in the same parade and four other 2008 candidates blanketed the state.

Crowds jammed front lawns, porches and sidewalks in Clear Lake for a chance to see Democratic presidential front-runner Hillary Clinton and her husband, the former president, as well as Republican Romney, the former governor of Massachusetts.