Stay Updated on Developing StoriesView in AppBy Kaitlan Collins, Vivian Salama, Jake Tapper and Kylie Atwood, CNN(CNN) President Donald Trump's deputy national security adviser Matt Pottinger resigned Wednesday afternoon in response to Trump's reaction to a mob of his supporters breaching the US Capitol, a person close to Pottinger confirms to CNN.Pottinger told people there was very little for him to consider, the person said.Several of Trump's top national security aides -- including national security adviser Robert O'Brien -- are considering resigning in the wake of his response to a day...…Stay Updated on Developing StoriesView in AppBy Kaitlan Collins, Vivian Salama, Jake Tapper and Kylie Atwood, CNN(CNN) President Donald Trump's deputy national security adviser Matt Pottinger resigned Wednesday afternoon in response to Trump's reaction to a mob of his supporters breaching the US Capitol, a person close to Pottinger confirms to CNN.Pottinger told people there was very little for him to consider, the person said.Several of Trump's top national security aides -- including national security adviser Robert O'Brien -- are considering resigning in the wake of his response to a day...WW…