Here is a page displaying various abortion counters.
You appreciate the grave moral evil of slavery, but not that of the vast majority of abortions?
Even stranger is the fact that some who are much more vociferous opponents of abortion than me will not vote for Donald Trump a week from today.
Related: A Possible Way to 'Get Through' to Liberals on Abortion
Addendum
As for slavery, many college students think America invented it!