Mayor Michelle Wu and Tom Homan, President-elect Donald Trump's pick for "border czar," are clashing over deportation comments. What they each said

Wu responded to attacks from incoming "border czar" for the Trump administration, Tom Homan, over her approach to promised mass deportations.

Boston Mayor Michelle Wu finds herself at odds with incoming Trump administration officials over the city's long-standing immigration policies.Why it matters: Wu is drawing national attention for refusing to cooperate with any federal mass deportation efforts a second Trump administration may launch next year.