Liberia: American forces withdraw
UN peacekeeping troops are due to arrive Wednesday.
Colombia: Rebels announce hostages
The ELN claims to hold seven tourists.
US: President under fire for alleged leak
Opponents bombard Bush as rumors fly that his staff revealed a CIA agent's identity in retaliation for her husband's slants against the administration.
Myanmar: UN envoy to visit
Ismail hopes to meet government and opposition leaders and bring both sides closer to peace.