Final answer:
The propaganda technique used by John McCain in accusing Obama of high taxes and reckless spending is name-calling, which involves negative labeling without substantial evidence.
Step-by-step explanation:
The propaganda technique being used in the statement where presidential candidate John McCain accuses Obama of high taxes and reckless spending is name-calling. Name-calling is a tactic that involves using negative labels or descriptions to reject or condemn someone or their ideas, without providing supporting evidence or arguments. It focuses on evoking negative emotions about a person rather than targeting the specific policy or actions.