White House not tamping down tensions after Bolton seen holding notepad with words '5000 troops to Colombia'
By Kevin Liptak, Caroline Kelly & Ryan Browne
'5000 troops': Photo of John Bolton's notes raises questions about U.S. military role in Venezuela crisis
By Dan Lamothe & Eli Rosenberg
John Bolton's notes on '5,000 troops to Colombia' spark speculation
By Deirdre Shesgreen