MICHELLE OBAMA PLACED FLOWERS AT THE AMBASSY BOMBING MEMORIAL AT THE NATIONAL MUSEUM IN DAR ES SALAAM

First lady Michelle Obama, accompanied by Tanzanian first lady Salma Kikwete, greets the girl who presented her with flower to place at the Embassy Bombing Memorial at the National Museum, in Dar es Salaam, Tanzania, Monday, July 1, 2013. Tanzania, which along with Nairobi was the site of near-simultaneous embassy attacks in August 1998. (AP Photo/Carolyn Kaster) / AP
First lady Michelle Obama and Tanzanian first lady Salma Kikwete greet a girl who presented flowers to place on the Embassy Bombing Memorial at the National Museum in Dar es Salaam, Tanzania, Monday, July 1, 2013. Tanzania, which along with Nairobi was the site of near-simultaneous embassy attacks in August 1998. (AP Photo/Carolyn Kaster) / AP

First lady Michelle Obama and Tanzanian first lady Salma Kikwete place flowers at the Embassy Bombing Memorial at the National Museum in Dar es Salaam, Tanzania, Monday, July 1, 2013. Tanzania, which along with Nairobi was the site of near-simultaneous embassy attacks in August 1998. (AP Photo/Carolyn Kaster) / AP

First lady Michelle Obama and Tanzanian first lady Salma Kikwete pause after placing flowers at the Embassy Bombing Memorial at the National Museum, in Dar es Salaam, Tanzania, Monday, July 1, 2013. Tanzania, which along with Nairobi was the site of near-simultaneous embassy attacks in August 1998. (AP Photo/Carolyn Kaster) / AP