DENTON, Texas (AP) — As students filed into the McMath Middle School library with lunch trays in hand, a man in California was waiting for them.

The Denton seventh-graders had all decided to spend their lunch period, on a recent Monday, talking with Michael McFaul, who served as the U.S. ambassador to Russia during the Obama administration.

The Denton Record-Chronicle (http://bit.ly/2opqb51 ) reports McFaul video-chatted with the students from his office at Stanford University and answered questions about the pressures of his former job and U.S.-Russian relations.

"This is a really important t...