Week in Pictures: 11 - 17 February 2012

1
Callista Gingrich, wife of Republican presidential candidate, former House Speaker Newt Gingrich meets with Republican supporters at a Smashburger restaurant, Tuesday, Feb. 14, 2012,

2
Yamda Johnson, kisses a signed photo of Whitney Houston as she and her friend Regina Kujemya both from Staten Island, N.Y., pay their respects at New Hope Baptist Church, in Newark, N.J., Wednesday, Feb. 15, 2012.

3
Sudanese Mutasim Qamrawi, 22, shows his scars from four months he was held in captivity by smugglers in Egypt's Sinai desert, at a shelter in Tel Aviv, Israel, Thursday, Feb. 16, 2012.

4
Carnival dancers perform on a float during a parade by the Perola Negra samba school in Sao Paulo, Brazil, early Sunday Feb. 19, 2012.