Donald Trump has said he will announce his choice for a running mate this week, in advance of the start of the Republican National Convention on Monday.
Here is a look at one of the four men most likely to join Trump as a vice presidential candidate – Chris Christie.
Chris Christie
Who is he?
Age
He is known in New Jersey for opposing employee unions, taking on corrupt politicians and fighting terrorism. He has been embroiled in a scandal of his own over the closure of the George Washington Bridge which was said to have been done in an effort to punish a mayor who did not support Christie.
What they are saying about Chris Christie
Trying out for the job
Maybe he is the one for the job
The Associated Press contributed to this report.