Former House Speaker Nancy Pelosi arrived back at her California home on Wednesday after suffering a fall in “very high” heels and undergoing hip replacement surgery during her trip to Europe. The California congresswoman, 84, was spotted apparently talking into a pink cellphone in a black vehicle outside her San Francisco home in the first pictures of her in the US exclusively obtained by The Post. “Speaker Pelosi is well on the mend and continues to work,” her spokesperson Ian Krager told The Post. Pelosi was visiting a World War II battlefield site in Luxembourg on Friday when she fell...