Original: Merkel , elected to the Bundestag ( German Parliament ) from Mecklenburg-Vorpommern , has been the chairman of the Christian Democratic Union ( CDU ) since 10 April 2000 , and Chairman of the CDU-CSU ( Christian Social Union ) parliamentary coalition from 2002 to 2005 .
Simplified: Dr. Angela Dorothea Merkel ( born 17 July 1954 , in Hamburg ) is a German politician , and the Chancellor of Germany since 22 November 2005 .