The Gospel at Mass today contains "The Great Commandment."
Coupled with the upcoming election and a first reading from Exodus that begins "You shall not molest or oppress an alien," I suspect many a homily today may mention Catholic teaching on immigration policy.
From Matthew Chapter 22:
When the Pharisees heard that Jesus had silenced the Sadducees, they gathered together, and one of them, a scholar of the law tested him by asking,"Teacher, which commandment in the law is the greatest?"
He said to him, "You shall love the Lord, your God, with all your heart, with all your soul, and with all your mind. This is the greatest and the first commandment. The second is like it: You shall love your neighbor as yourself. The whole law and the prophets depend on these two commandments."
A Concord Pastor has a good homily on this Sunday's readings. He ended it with "The Summons":