Megyn Kelly, who once said she would “walk over broken glass” for Donald Trump, launched into a diatribe against former first lady Michelle Obama on Kelly’s SiriusXM radio show Monday, saying the U.S. gave her “everything she has” and she should just “shut up” about any criticisms of the country. This comes after Mrs. Obama expressed frustration at the country’s inability to move past treating former President Donald Trump as a serious candidate for office at her speech in Kalamazoo, Michigan, saying, “I hope that you will forgive me if I’m a little angry that we are indifferent to his erratic…