Markham-Unionville MP Michael Ma crossed the floor from the Conservatives to the Liberal last week, and the surprise move has rocked the Conservative Party. CBC Senior writer Aaron Wherry joins us to take your calls.

Our regular gardening expert Paul Zammit has some ideas for gifts you can give that grow and he takes your gardening questions.

Clinical psychologist Joshua Coleman takes calls on your stories of going no contact and what it took to rebuild that relationship with an estranged parent or adult child.

You weigh in on the impact of social media on kids under 16 with neuroscientist Emma Duerden, Canada Research Chair in Neuroscience and Learning Disorders.

You weigh in as the Minister of Education launches a review of Ontario's standardized tests. Guest are Kelly Gallagher-Mackay, co-director of the Annual Canadian School Survey and we hear from Mary Reid, an expert in math education at the Ontario Institute for Studies in Education at the University of Toronto.

Your reaction to a scathing Ontario Auditor General report suggesting government spent an unprecedented amount on advertising with questionable value to taxpayers.

Our regular gardening expert Paul Zammit has some gift ideas for the gardeners in your life and he takes your gardening questions.

When ghosts visit the "hard and sharp as flint" Ebenezer Scrooge he transforms just in time for Christmas Day to become a better person -- we hear about parallel transofrmations in your own life. Our guest is actor Thomas Gough who plays Scrooge in the sold-out Three Ships Collective production of A Christmas Carol in Toronto's historic Campbell House Museum.