Here are a few options for a formal title, depending on your focus:

• Option 1 (Most direct): “Pioneering Data Journalism: How Texty Exposed Russian Disinformation”
• Option 2 (Focus on methodology): “The Role of Data-Driven Reporting in Combating Disinformation: A Case Study of Ukraine’s Texty”
• Option 3 (Academic/Authoritative tone): “Advancing Investigative Journalism: Texty’s Methodology in Denouncing Foreign Disinformation Operations”

Recommendation: Option 1 is the most balanced for a professional article or report.

Here is a formal version of the title:

Gagan Thapa Directs Nepali Congress Leaders to Refrain from Disseminating Misinformation

Here are a few ways to rewrite the title in a formal tone, depending on where you intend to publish it:

• Option 1 (Most direct and formal): Tippecanoe County Clerk Accuses Opponent of Misinformation in State Senate District 23 Primary
• Option 2 (Focusing on the dispute): Clerk Roush Challenges Copenhaver Over Alleged Misinformation in SD 23 Primary Campaign
• Option 3 (Traditional journalistic style): Roush Asserts Misinformation Claims Against Copenhaver in State Senate District 23 Contest

Recommendation: Option 1 is the most professional and clearly identifies the roles of those involved.