The new push follows a Sunday story on the Politico website detailing infighting among Romney's senior staffers. Campaign advisers worked to downplay those tensions, and to insist the campaign is still on track.
"Obama's entire foreign policy is in flames. The economy is terrible. Let's get a little distance from the convention," top strategist Stuart Stevens wrote in an email Sunday morning.
In Los Angeles, Romney was opening a fresh appeal to Latino voters on Monday, looking to narrow Obama's advantage with them in key battleground states.
Thomas reported from Los Angeles.
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