Super Tuesday, the sequel. Donald Trump wins big and gives a victory speech that sounds like a sales pitch on the home shopping network, and Sanders proves polling is not a science with his shocking win in Michigan. Was it an aberration or a harbinger? Commonwealth Magazine's Jack Sullivan ( @reportah ), POLITICO's Lauren Dezenski ( @LaurenDezenski ) and The Boston Globe's David Scharfenberg ( @dscharfGlobe ) discuss.