a huge blast has echoed through the afghan capital, a plume of smoke rising saturday morning in the direction of the u.s. embassy in kabul. there was no immediate word on casualties. the explosion comesle less than week before afghanistan holds elections for president and provincial counsels and as you well know, coalition troops have been moving into afghanistan in the past several weeks in helmand province. again, a huge blast echoed through the afghan capital. smoke seen coming in the direction of the u.s. embassy. we are working the story to give out more details to you as soon as we get them. we'll, of course, bring them to you. >>> for now, we'll turn back to our regular newscast. it was the seminal event of the '60s for many people and 40 years later woodstock is as big as ever. the three-day music festival began august -- >> has distinguished herself behind bars. she has tried so desperately to