Final answer:
The subject of this question is English, and it discusses the grammatical errors made by George H. W. Bush and Barack Obama in their speeches.
Step-by-step explanation:
The subject of this question is English. The question discusses the grammatical errors made by George H. W. Bush and Barack Obama in their speeches. It highlights the importance of using correct grammar, especially for public figures like presidents. However, it also acknowledges that these errors may be unintentional and caused by colloquial speech patterns.