Democratic presidential candidate Sen. Kirsten Gillibrand calls Mueller report "very damning," discusses her 2020 run, and shares her plan to "unwind" President Trumps tax cuts.Is Donald Trump facing a GOP uprising?The View co-hosts discuss how some Republicans, like former governor of Massachusetts William Wells, are rethinking their game plan for 2020.Julian Lennon talks about why he cares about the environment and his work with The White Feather Foundation.