US correspondent Dan Mitchinson joined Heather du Plessis-Allan to chat about today's biggest news in the USA. 

Congress is seeing a mass exodus with 51 House members and nine senators choosing to not stand for re-election this year. 

Mitchinson said the departures have been partially attributed to a 'toxic partisan atmosphere'.

They also spoke about the news that one person has been detained over kidnapping of TV anchor, Savannah Guthrie's, mother Nancy Guthrie. 

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