TPM Livewire  Rubio Complains That Obama Didn't Take Castro To
Task For Denying 'Basic Freedoms'  AP Photo / Charles Dharapak
Obama actually did make reference to authoritarian leaders
during his eulogy for Mandela.   Rubio's response represents the
first real criticism Obama has received from a major Republican
for the handshake. Former President Jimmy Carter called the
handshake "something significant" and expressed hope that it
"will be an omen for the future."     This post has been
updated.