Here are a few options for a formal title, depending on the desired emphasis:

Option 1 (Most direct): “France Orders the Deportation of Pro-Russian Propagandist Xenia Fedorova”

Option 2 (More journalistic/authoritative): “French Authorities Move to Deport Pro-Russian Media Figure Xenia Fedorova”

Option 3 (Focusing on the legal action): “France Issues Deportation Order for Xenia Fedorova Amid Concerns Over Pro-Russian Propaganda”

Recommendation: Option 1 is the most standard and professional choice for a news headline.

Here are a few ways to rewrite the title in a formal, academic tone:

• USC Viterbi Study Finds That Disseminators of Misinformation Possess Smaller Followings Than Those Rebutting Them
• USC Viterbi Researchers Observe Smaller Audience Reach for Misinformation Promoters Compared to Fact-Checkers
• Study Indicates That Users Countering Misinformation Maintain Larger Followings Than Those Spreading It

Recommendation: The first option is the most precise and formal, clearly stating the findings of the USC Viterbi study.

Here are a few options for a formal title, depending on the level of detail you need:

• France Expels Russian Media Commentator Over Allegations of Disinformation
• France Deports Russian Media Figure Amid Disinformation Concerns
• French Authorities Expel Russian Media Commentator for Disinformation Activities

Recommendation: The first option is the most balanced and standard for professional reporting.