Here come the campaign ads …

Now the campaign ad crush and TV spending spree really begins in the presidential race.The TV ad campaign, with total spending expected to swell to $1.1 billion, starts up again now that the party conventions are over and the two-month sprint to the general election is under way.Just over one-third of that amount has been spent so far, according to the Kantar/Campaign Media Analysis Group, which tracks campaign ad spending.

via  ABC News.