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: Former Vice President Joe Biden will join Mitt Romney and other prominent Republicans at an annual summit in Utah this week . 
Romney , the Republican presidential nominee in 2012 , will interview Biden , on Friday as part of the three-day summit , the Associated Press reported . 
The invitation-only Experts and Enthusiasts -LRB- E2 -RRB- Summit in Park City , Utah , will feature a number of prominent Republicans , including Sens. Lindsey Graham and John McCain , both vocal GOP critics of President Donald Trump , and House Speaker Paul Ryan , who was Romney 's running mate in 2012 . 
Biden is not the first Democrat to attend Romney 's annual summit . 
At the summit last year , Romney , then a "Never Trump" Republican , told the crowd that Trump 's nomination as the Republican candidate "is breaking my heart for the party ."

Joe Biden Will Speak At Republican Summit Hosted by Mitt Romney . 