Definition: Given a document, generate a short title of the document. The title should convey the main idea/event/topic about which the document is being written. Note that URLs in the text have been replaced with [Link].
Input: Donald Trump Jr.  echoed the condemnation of  his  father regarding the probe into ties between the  Trump  campaign and Russia â calling it "probably the greatest" witch hunt since Salem.
"Obviously  this has been a witch hunt  probably the greatest since the Salem witch trials "  the younger Trump  said of the Russia collusion probe.
 Trump Jr.  added the memo "sounds disturbing."
"I think we need more information "  he  said.
 The younger Trump  has become embroiled in the Russia investigations underway as a result of  his  June 2016 meeting with a Russian lawyer and other campaign officials in Trump Tower.

Trump Jr. : Russia Probe 'Probably the Greatest' Witch Hunt Since Salem