Robert Mueller has questions for Trump, and he deserves answers

For much of his time in office, President Donald Trump has been loudly asserting that there was no collusion between his presidential campaign and Russia, while also defending some of the controversial actions he’s taken — such as firing former FBI Director James B. Comey — that understandably have attracted the interest of Special Counsel Robert S. Mueller III. In the past the president also has indicated his willingness to speak to the special counsel when the time was appropriate.