North Carolina Lt. Gov. Mark Robinson is in the hot seat after a bombshell CNN report alleged he made a series of controversial comments.Grant Baldwin/Getty ImagesNorth Carolina is a critical part of Trump's electoral calculus for winning a second term.But Lt. Gov. Mark Robinson's troubles could have a "reverse coattail" effect among Republicans.In such a scenario, Robinson could drag down Trump and other GOP candidates on the ballot.North Carolina Republican Lt.