By Rodrigo Campos and Karin Strohecker NEW YORK/LONDON (Reuters) -Argentina's international bonds extended gains on Tuesday and the local peso firmed against the dollar after U.S. President Donald Trump spoke in support of his right-wing peer in Argentina, Javier Milei, and his economic program. The World Bank said it aims to deploy up to $4 billion in Argentina in the coming months to support the South American country's reform agenda. Argentine assets rose as Trump said the U.S. will help Milei's ec ...