NEW : ' Betancourt meets with her children for the first time in 20 years . French President Nicolas Sarkozy leads celebrations with TV cameras . He calls on FARC to lay down their weapons and end ` ` absurd . '' They have always believed the liberation of their mother was possible , '' she told Le Monde . decides to visit France after meeting with children in Colombia .
NEW : ' Betancourt meets with her children for the first time in 20 years . French President Nicolas Sarkozy leads celebrations with TV cameras . He calls on FARC to lay down their weapons and end ` ` absurd . '' decides to visit France after meeting with children in Colombia .