There's a difference between Clinton a Katzav. Clinton didn't rape anybody, the puritan Mayflower culture raped Clinton until he got totally fatigued. Katzav did a crime. You are right, nobody is perfect, but you can screen somebody sexually violent from someone who's not, and not recommend him to the presidency. At least for that one post.
Obama urges Turkey, Russia to set tension aside, focus on ISIS (AP)
from the article: Former President Moshe Katsav guilty of rape and sexual assault