Full Coverage
Trump blames Obama as he reluctantly bans F-35 sales to Turkey
By Kevin Liptak & Nicole Gaouette
Putin's S-400: How a Failed Coup Turned Turkey's Erdogan Into NATO’s Biggest Headache
By Anshel Pfeffer
Washington wants to sanction Turkey over its Russian arms deal — but it could backfire
By Natasha Turak
Trump says 'not fair' that U.S. can't sell F-35s to Turkey
By Jeff Mason & Phil Stewart
U.S. to Withhold F-35 Fighters From Turkey, Trump Says
By Michael Charles Bender, Vivian Salama & Michael R. Gordon
Trump says U.S. will cancel Turkey's purchase of F-35 planes
By Karoun Demirjian, Kareem Fahim & Karen DeYoung
Lawmakers say Trump is locked into Turkey sanctions
By Joe Gould & Aaron Mehta