Former FEMA Director James Lee Witt says Trump's done everything right so far on Hurricane Harvey. Prior to that, Representative Mark Walker, chairman of the Republican Study Committee, says he expects U.S. tax reform to pass before Thanksgiving. Noah Feldman, a Bloomberg View columnist, says it's clear Trump ignored all formal processes in pardoning Sheriff Joe Arpaio. Finally, former Fed Vice Chair Alice Rivlin says a government shutdown could still happen, even though she doesn't expect it.

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