Revealed: The identity of secret Witness C whose false testimony helped send David Tamihere to jail for 20 years for the 1990 Swedish backpacker murders
When US President Donald Trump met Canadian Prime Minister Justin Trudeau today, many were watching for one thing - the handshake.
Trump is known for his aggressive, dominant handshake style, in which he grips the other and pulls the strongly toward himself.
Psychologists say this can be interpreted as a power play and a sign of wanting to put the other person off balance.
But Trudeau was no pushover - he held his ground and held Donald's hand firm.