Sen. Chuck Schumer, D-N.Y., dodged questions about his role in covering up former President Joe Biden’s mental decline on CNN Tuesday.Excerpts from CNN’s Jake Tapper and Axios reporter Alex Thompson’s upcoming book "Original Sin: President Biden's Decline, Its Cover-Up, and His Disastrous Choice to Run Again" detail several insider concerns over whether Biden could last a second term as president.In light of some of the book's claims about him, Schumer was asked whether he knew about Biden's condition on CNN’s "The Arena With Kasie Hunt."BIDEN AIDES ALLEGEDLY FRETTED THEN-PRESIDENT WOULD NEED WHEELCHAIR IF RE-ELECTED, NEW BOOK REVEALS"I’m interested to know