How the Presidential Field Responded to Obama's Cuba Announcement

The presidential candidates with the closest ties to Cuba are the most opposed to restoring relations.

Vintage American automobiles are seen on the street as their owners wait for tourists wanting a ride a day after the second round of diplomatic talks between the United States and Cuban officials took place in Washington, DC on February 28, 2015 in Havana, Cuba. The dialogue is an effort to restore full diplomatic relations and move toward opening trade.

Photographer: Joe Raedle/Getty Images
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Two Republican presidential candidates with family ties to Cuba are vowing to block the appointment of a the first U.S. ambassador to the Communist island nation in more than 50 years.

With their vows to place a parliamentary hold on any nominees for the Havana post, Senators Ted Cruz of Texas and Marco Rubio of Florida led the opposition to President Barack Obama's plans to reopen diplomatic relations with Cuba among the big field of candidates' vying to replace him.