(CNN) Secretary of State Mike Pompeo is considering a run for a Kansas Senate seat seriously enough that he met Sunday with leading GOP consultant Ward Baker, a source with knowledge of the situation confirmed to CNN.

The source said Pompeo "is focused on his job as secretary of state, but he is listening" to those urging him to run.

Leading the charge to convince him to run is Senate Majority Leader Mitch McConnell, who has personally pushed Pompeo to enter the race, CNN has confirmed.

Kansas GOP Sen. Pat Roberts announced earlier this month he would not seek re-election in 2020, meaning his seat would become open.

Before becoming CIA director and then secretary of state, Pompeo served three terms as a congressman from Kansas.

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