Fresh Air Weekend highlights some of the best interviews and reviews from past weeks, and new program elements specially paced for weekends. Our weekend show emphasizes interviews with writers, filmmakers, actors and musicians, and often includes excerpts from live in-studio concerts. This week:

Two astronauts aboard the International Space Station began their fourth and final space walk early Saturday to finish a series of repairs aimed at extending the functioning of a cosmic ray detector attached to the spacecraft.

The planned six-and-a-half-hour foray outside the space capsule began shortly after 7:00 a.m. ET and was being shown in a live video feed from NASA.

Updated at 12:06 p.m. ET

President Trump "did absolutely nothing wrong," White House counsel Pat Cipollone said Saturday, as lawyers representing the president got their first shot to poke holes in the impeachment case made this week by Democrats.

Saturday's proceedings, which lasted a little more than two hours, set up the White House arguments in the impeachment trial. The proceedings resume Monday at 1 p.m.

The president's team told senators that the House managers selectively withheld evidence in their arguments against the president.

When Aysha Renna decided last month to demonstrate against India's new citizenship law on her college campus in New Delhi, it never occurred to her that doing so might be dangerous.