 They want to hear from her. I'm Lisa LaSara, Fox News. The head of the Secret Service, Kimberly Cheadle, set to appear before a House panel Monday to answer questions about security at the Pennsylvania rally where an attempt was made on former President Trump's life. Tennessee Senator Marsha Blackburn was one of two Republican senators who approached Cheadle during the Republican convention this week. We want to know why he was cleared and also why they did not have