It probably isn't going to help once Latinos realize that the reason Romney's son speaks Spanish is because he was busy trying to convert them from Catholicism to Mormonism. From Andres Oppenheimer in the Miami Herald:
Two new polls of Latino voters confirm what I have been writing for several months: Republican front-runner Mitt Romney is so unpopular among Hispanic voters that he would have a hard time winning the November elections.
A nationwide poll of likely Hispanic voters released last week by Fox News Latino shows that if the election were held today, 70 percent of Hispanics would vote for President Barack Obama, while 14 percent would vote for Romney. The poll, conducted by telephone, has a margin of error of 2.7 percent.