UK-based Democrats cast 'Super Tuesday' votes

The transcript discusses support for three political candidates: Hillary Clinton, Bernie Sanders, and Mike Bloomberg. Each candidate is supported for different reasons. Clinton is praised for her detailed plans and vision for America's future. Sanders is supported due to his stance on university affordability, healthcare, and human rights, as well as being seen as a strong candidate to beat Trump. Bloomberg is favored for his ability to unite a polarized America and his track record as a mayor in reducing emissions and crime.

What is the speaker's opinion on the current polarization in America?

What achievements does the speaker highlight about Mike's track record as mayor?