Complex sentence: However, when Morgan learned that Mitchelson had dinner and a meeting at the White House with Nancy and Ronald Reagan, she lost trust in Mitchelson, firing him and hiring attorney Joel Steinberg in his place.
Split into simpler sentences: However, when Morgan learned that Mitchelson had dinner and a meeting at the White House with Nancy and Ronald Reagan. Morgan lost trust in Mitchelson, firing him and hiring attorney Joel Steinberg in his place.