Pubdate: Fri, 12 May 2000 Source: New York Times (NY) Copyright: 2000 The New York Times Company Contact: 229 West 43rd Street, New York, NY 10036 Fax: (212) 556-3622 Website: http://www.nytimes.com/ Forum: http://www10.nytimes.com/comment/ Author: Larry Rohter COLOMBIA: AMERICAN DELEGATION In what he called a sign of "concern about the situation" in Colombia, the State Department's senior political official arrived for his third visit in nine months. The delegation led by Under Secretary Thomas Pickering is to hold two days of meetings with President Andres Pastrana and other top officials in a bid to coordinate an anti-narcotics strategy they say is being hampered by the United States Congress's delays in approving a $1.7 billion emergency aid package. - --- MAP posted-by: Jo-D