Happy Friday…riddle of the day: What invention lets you look right through a wall?

If I Ran for President written by: Catherine Stier. If you ran for president, you would have to do a lot of hard work. You would study the nation’s problems, tell the American people about your platform, select a running mate, and debate your opponents on live television. https://www.storylineonline.net/books/if-i-ran-for-president/