Should Pluto become a planet again?

"Make Pluto a planet again" was the call this week from Donald Trump’s NASA Administrator, Jared Isaacman. The icy body was first seen in 1930 and was the only planet whose discovery was claimed by the United States. In 2006, though, it was officially stripped of its planet status. Tom Whipple is joined by astronomer Chris Lintott to discuss the debate that has raged ever since over whether Pluto…