Chris Cillizza looks ahead to this year's Senate races while Sarah Lovenheim looks back at what readers had to say about Hillary ClintonHillary Diane Rodham ClintonBernie Sanders: Trump 'so tough' on child separations but not on Putin Anti-Trump protests outside White House continue into fifth night Opera singers perform outside White House during fourth day of protests MORE's account of her 1996 Bosnia trip. Cillizza moves two Republican-held seats up in his ranking of the 10 seats most likely to change hands. Sens. John Sununu (R-N.H.) and Ted Stevens (R-Alaska) face challenges that are getting tougher, while Sen. Mary LandrieuMary Loretta LandrieuFormer New Orleans mayor: It's not my 'intention' to run for president Dems grasp for way to stop Trump's Supreme Court pick Landrieu dynasty faces a pause in Louisiana MORE's (D-La.) Republican opponent has yet to show "real progress." Lovenheim highlights several posts from readers who see Clinton's misstatements about her trip as a "major blunder." They note that it under cuts her "experience" argument.