The second webcast dialog hosted by MySpace and MTV has been announced with the seat being occupied by first-term senator and popular candidate Barack Obama. The candidate will be sitting down with Gideon Yago, Sway Calloway and WashingtonPost.com's Chris Cillizza for the event at Coe College in Iowa to answer questions submitted via MySpaceIM and MTV.com.The event will take place on October 29 at 1:30pm EST. The entire dialogue will be webcast live through both MTV.com and MySpaceTV.com, and will then be rebroadcast on mtvU, MTV's 24-hour college network, later in the day.

More...