Prime Time is a current affairs programme airing on RTÉ One on Monday (22.30) and Tuesday and Thursday nights (following the RTÉ Nine O'Clock News). First broadcast on RTÉ One in 1992, Miriam O'Callaghan has been its main presenter for over fifteen years. O'Callaghan's fellow presenter David McCullagh, a former political correspondent with RTÉ News. Only one show per week is broadcast during the summer months. In January 2013, The Frontline's format and presenter were subsumed into Prime Time as part of a re-branding exercise at RTÉ News and Current Affairs. Pat Kenny soon left RTÉ. Later the Monday slot which had been 'The Frontline' was again split from Prime Time, Claire Byrne left to present the newly branded 'Claire Byrne Live' programme in the slot.