Trump and Putin hold productive Alaska summit on Ukraine conflict, agreeing on many points but acknowledging couple of big issues remain unresolved.

President Donald Trump's highly anticipated one-on-one summit with Russian President Vladimir Putin marks his latest effort at securing a peace deal over Ukraine, a priority in his second term. The meeting comes after a string of deals and agreements the White House said Trump has helped broker globally that should earn him something the president has long desired -- a Nobel Peace Prize.