These letters, provided by the White House, from children, from left, Julia, 11, of Washington; Grant, 8, of Maryland, and Taejah, 10 of Georgia; ask President Barack Obama to change gun laws. On Wednesday, when the president makes his long-awaited announcement of proposals to reduce gun violence, he will be joined by Grant, Tajeah and other children from across the U.S. who expressed their concerns about gun violence and school safety to the one person they think can make a difference: the president. (AP Photo/White House) ORG XMIT: WX104