Theresa May says it's a matter of "great personal regret" that U.K. won't leave EU with a deal on March 29

Theresa May says it's a matter of "great personal regret" that U.K. won't leave EU with a deal on March 29

LONDON -- Theresa May says it's a matter of "great personal regret" that U.K. won't leave EU with a deal on March 29.