US Senators Richard Blumenthal (L) and Elizabeth Warren are pictured during...

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US Senators Richard Blumenthal, Elizabeth Warren and Lindsey Graham (L to R...

• People: US Senators Richard Blumenthal, Lindsey Graham and...

US Senator Elizabeth Warren is pictured during a briefing while on a visit ...

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US Senators Richard Blumenthal, Lindsey Graham and Elizabeth Warren (L to R...

• People: US Senators Richard Blumenthal, Lindsey Graham and...

US Senator Lindsey Graham attends a briefing while on a visit to Ukraine

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US Senator Richard Blumenthal attends a briefing while on a visit to Ukrain...

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US Senators Lindsey Graham, Richard Blumenthal and Elizabeth Warren (L to R...

• People: US Senators Richard Blumenthal, Lindsey Graham and...

US Senators Elizabeth Warren, Lindsey Graham and Richard Blumenthal (L to R...

• People: US Senators Richard Blumenthal, Lindsey Graham and...