The commentator in the second of the above videos is making a serious blunder by comparing homosexual perverts with blacks. The majority of blacks in the US don't want anything at all to do with so-called gay marriage. See this article from the Blaze for an example of how blacks helped to quash the pervert parade in a couple of states in the country:

Politico Blames Black Voters for the Passage of North Carolina’s Amendment One, Apparently Without Evidence | TheBlaze.com

See also this, "Black Pastors Reject Obama’s Gay Marriage Stance:"

Black Pastors React To Obama's Gay Marriage Announcement | Breaking News for Black America

As with Santorum, he's merely being consistent with his religious beliefs, and attacks on his religious beliefs are a part of the wider sociopolitical assault that the fruitcakes on the left are waging against the Catholics in the US.