The ABC is hoping the appointment of former 7.30 political editor Chris Uhlmann to host AM will sharpen up the morning radio program and restore it to its agenda-setting glory days.

In a shock reversal yesterday, the ABC announced current ABC News Breakfast co-host Virginia Trioli will not replace Tony Eastley as AM host, as had been announced with much fanfare only 10 days earlier. Trioli, who was planning to move from Melbourne to Sydney for the new role, will remain on television as co-host of News Breakfast. Trioli is married to ABC fact-check editor Russell Skelton, who works mostly out of Sydney, and has a son aged under two.