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"Cuban TV airs footage of Venezuela's cancer-stricken leader Hugo Chavez as he arrived in Cuba on Saturday for a fourth round of chemotherapy, which he said could be his last.               Cuban President Raul Castro was on the tarmac to greet him.  Bolivian President Evo Morales, a staunch ally of Chavez and Castro, accompanied the Venezuelan leader and is set to begin an official visit in Cuba on Monday (September 19).                              Even as he battles cancer, fifty-seven-year-old Chavez has says that he plans to run for another six-year presidential term in the October 2012 election.  The charismatic leftist has led Latin America's top oil exporting country since 1999 and wants to stay in office until at least 2025 to consolidate his self-styled \"revolution.\"               But his hopes for a lengthy rule were put in doubt by a cancer diagnosis this year.               Chavez, who had the constitution changed to allow perpetual presidential re-elections, said he expected to return to Venezuela by the middle of the week after about five days of treatment."^^<http://www.w3.org/2001/XMLSchema#string>
<http://uk.reuters.com/video/2011/09/18/chavez-arrives-in-cuba?videoId=221639276>