One Senate Republican recently offered his candid take on how Democrats’ current squabbling over President Joe Biden’s viability as a presidential candidate os helping his party. During an appearance on far-right network Newsmax’s “Wake Up America,” Sen. Roger Marshall (R-Kansas) – who was an obstetrician before his political career — spoke at length about the 81 year-old Biden’s health. Marshall pointed to the now-debunked New York Times report about a neurologist visiting the White House on eight occasions over an eight-month period (with most of those visits happening when Biden was not pre…