this morning on orld n this morning on "world news now" -- costly relief. a powerful tornado slams a virginia town overnight. part of a cold front ending a relentless heat wave. >> a heat wave that set thousands of records and also claimed dozens of lives. it's monday, july 9th. >> announcer: from abc news this is "world news now." good monday morning, everybody, paula faris, here. and i am happy to be back. tired. >> you are exhausted. >> can you see the words on my tongue? they're not coming out. >> it's all right. we're slowly getting there. good to have you back. good morning. happy monday. i'm rob nelson. we'll show you how the