The answers to many of the most persistent questions about her war record are hidden in plain sight.
The Bushes also addressed the persistent questions about whether their son had enough knowledge of foreign affairs to lead the nation.
A persistent question has been whether it was carved in situ.
The Mayor came to the microphone to discuss it himself only in response to persistent questions.
But the persistent question has been whether any art can thrive in what is really a monumental sculpture.
Yet the course of baseball is difficult, and now Rasmussen must face the persistent questions.
The most persistent question - for every officer - is about illegal guns.
A persistent question across Europe is whether newcomers should be made to adapt to local customs.
All of which raises a persistent question: What constitutes an action sport?
But newcomers soon discover that living there does not answer life's persistent questions.