Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: US President Donald Trump has called for the whistleblower who triggered the impeachment inquiry to be unmasked, ignoring a cease-and-desist warning.

Trump wants whistleblower named despite 'physical danger'