The continuing obligation of the Ten Commandments—including the Fourth Commandment—is the expectation of the Bible and the majority position of the Reformed churches.
As it is clear from Scripture that human beings are endowed with a soul at the moment of conception, the question to which we now return is that of what happens when pre-born babies and infants die.
The Bible requires us to make a distinction between covenant and election. This is the only way to account for covenant breaking and apostasy in Scripture, and it provides a consistent paradigm for the practice of infant baptism.
Is the pastor a third office in addition to elder and deacon? Or is the pastor an elder who has the special task of teaching and preaching in addition to ruling?
If we reject the radical two kingdoms position and instead seek to apply the Bible to all of life, including the civil sphere, we will be in a much better place.