Colombia Captures 'Chancellor' of FARC Rebel Group &lt;p&gt;&lt;/p&gt;&lt;p&gt; BOGOTA, Colombia (Reuters) - The chief of internationalrelations for Colombia's biggest leftist rebel group, who oncesought support from Libyan leader Muammar Gaddafi, was arrestedafter a months-long manhunt, police said on Wednesday.&lt;/p&gt;