Today In Pictures: April 23, 2012

James Grace, 6, looks at a butterfly during the Changing Minds Foundation's "Butterfly Flutter By" event April 22, 2012, in Houston. The foundation released 1,000 live butterflies to raise awareness of available treatment and research of Down syndrome. Each butterfly could be sponsored for $21, a representative of Trisomy 21, a chromosomal condition that causes Down syndrome. (Cody Duty/Houston Chronicle/AP Photo)