Sen. Al Franken, D-Minn, left, talks with David Letterman on the “Late Show with David Letterman,” Wednesday
Sen. Al Franken, D-Minn, left, talks with David Letterman on the “Late Show with David Letterman,” Wednesday John Paul Filo AP
Sen. Al Franken, D-Minn, left, talks with David Letterman on the “Late Show with David Letterman,” Wednesday John Paul Filo AP

Al Franken urges David Letterman to run for U.S. Senate

April 02, 2015 8:23 AM