sunday roundup week begin way tragic gun violence people kill shooting jewish center kansas city area kill gun  USA  day unite condemnation heinous attack say attorney general holder act ignore year ago month senate reject modest background check bill despite support percent americans wake kansas shooting michael bloomberg  gun control effort everytown gun safety unveil ad chance stop child kill say refuse lower expectation gabriel garcía márquez die th USA ay write true people stop p USA e dream grow old grow old stop p USA e dream