on the november ballot are scott peters and san diego councilman carl de maio. according to a poll conducted by service u.s.a. voters are split. 47% for congressman peters. 46% for republican challenger carl dema yo. -- carl de maio. >> a race getting national attention because of the the close race between a democrat and a republican. >> we want to welcome if -- the two candidates congressman scott peters and i a long with councilman carl de maio. er wanted to do a different debate. we really wanted this to be a conversation with the candidates so hopefully in the end benefit you the viewers. >> and katherine before we get started let us set the political scene in california's 52nd congressional district. >> the 52nd district stretches from coronado to la joya to rancho bernardo. 34% are republican. 22% are democrat. 29% independent. >> most races in congress are very highly split between republicans and democrats. this is one of the few nonstate seats in the country. >> which is why this race matters. san diego voters could give the g.o.p. another seat in the h