A crowded Democratic field and the prospect of a challenge to President Trump from his own party are raising U.S. broadcasters’ hopes that the 2020 election campaign will set new records for political advertising spending, the Financial Times reports.

On recent earnings calls, broadcast executives have forecast that the build-up to the general election in November 2020 will see “enormous,” “historic” and “gargantuan” sums spent to sway their audiences.