New political climate prompts U.S. firms to come to Cuban-American trade fair for first time . But vendors are betting U.S.-Cuba relations will only get better . Cuba companies want to break into market and go home with a contract . Cuba also reeling from global economic crisis . U.S. is slashing imports of U.S. food by dozens .
New political climate prompts U.S. firms to come to Cuban-American trade fair for first time . Cuba companies want to break into market and go home with a contract . Cuba also reeling from global economic crisis . U.S. is slashing imports of U.S. food by dozens .