Senator Bernadette Clement speaks out after she says she was bullied, harassed and intimidated over her handling of a carbon tax exemption bill before the Senate. Political observers Susan Smith (Liberal), Tim Powers (Conservative) and Anne McGrath (NDP) weigh in on the week's top stories. Former Ukrainian ambassador to Canada Andriy Shevchenko speaks to CPAC on the sidelines of the 15th annual Halifax International Security Forum about Canada's continued support for Ukraine.