Elizabeth Warren argues in a new television ad released Friday that American should follow China’s lead and invest more in its crumbling roads and bridges. The spot is also designed to appeal to blue-collar voters, a key constituency that Brown, a Republican, is courting with a new ad he released today. Brown’s ad features Raymond L. Flynn, the former Democratic mayor of Boston, who has also endorsed Mitt Romney for president, praising Brown as an honest, hardworking “regular guy.”
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