Douglas Brinkley, presidential historian and professor, reacts to President Donald Trump saying he will deliver his convention speech accepting the Republican presidential nomination from either the site of the 1863 Battle of Gettysburg in Pennsylvania or the White House in Washington, DC.

CNN's Wolf Blitzer discusses news that the Republican National Convention in Charlotte, North Carolina, will be closed to the press with presidential historian Douglas Brinkley and global affairs analyst Susan Glasser.

CNN's Gloria Borger and presidential historian Douglas Brinkley discuss past presidential campaigns that President Donald Trump attempted to emulate during his rally in Tulsa, Oklahoma.