For months, the federal investigation into possible links between the Trump campaign and Russia focused on Washington. Now, the inquiry has led back to New York, the president\u2019s hometown, and to one man: Michael D. Cohen. Guest: Jim Rutenberg, who has been reporting on Mr. Cohen, President Trump\u2019s longtime personal lawyer, for The New York Times. For more information on today\u2019s episode, visit nytimes.com/thedaily.