northern california say a massive wildfire destroyed at least 50 buildings. it's unclear how many are homes. ponderosa fire burned more than 33 square miles since it started saturday. this morning, it's 40% contained. >>> missourigressman todd akin ignored pressure from top republican leaders and says he will remain in the race for the u.s. senate. akin's comment on rape and pregnancy cost him the party's support and millions of dollars in funds. >>> the national transportation safety board is looking into what caused the deadly train derailment in maryland. a csx train went off the tracks in he will cot city killing two college students enjoying one of the last nights of summer before they returned to school. a tragic twist, the young women shared some of their final moments on twitter. this was one of the last tweets rose mayer sent. the picture shows the bare feet of she and her friend elizabeth. they were sitting on a train bridge near downtown he will cot city, levitating is the caption. the tweet reads, drinking on top of the city sign with rose petals. minutes after those tweets were sent, a freight train bound for baltimore loaded with coal careened off the tracks killing the 19-year-olds. >> it was lik

northern missouri, kansas and nebraska. a lot of farmers have little or nothing worth harvesting. the drought is good for at leasts say grapes that survive it end up with more conson traited flavors and as a result they tend to produce higher quality wine. updating our top story tonight. tampa's maritals fox news that next week's g.o.p. convention will go off as planned despite the threat from tropical storm isaac. the national weather service warns it could grow to hurricane strength within days and we are keeping a close eye on its path. get back to rick reichmuth live in the fox extreme weather center. rick? >> certainly better for florida. at least for a direct impact. we're gonna see a lot of wind. they are going to see a lot of rain. that rain would cause localized flooding flooding. i don't think we are going to be talking about flooding from any kind of a storm surge at least from florida. changes happened to the storm today in the storm at least not in its current status. strengthening a little bit. winds are up to 45 miles per hour. but the models now pulling a little bit farther up towards the west. we