Mitt Romney defects from the GOP by voting to impeach Trump. The GOP and Trump did not take this well, with Lou Dobbs dubbing him Judas, a Rush Limbaugh guest saying he should be sold to Yemen and more. Ryan Grim LIVE on the never-ending chaos of the Iowa caucus and how those issues will affect the primary going forward. Alexander Sammon on the newfound politics of campaign finance within the Democratic primary and the very real threat posed by Bloomberg and Steyer. Meanwhile in...El Salvador, citizens applying for US asylum are being denied at a disproportionate rate despite facing violence and often death upon deportation. Meanwhile in...the UK, Johnson's government pledges to ban the sale of gas and diesel cars in 2035. Meanwhile in...Antarctica, the ice glacier keeps melting at an astoundingly worrying pace.