MSNBC’s Melissa Harris-Perry already apologized on Twitter for hosting a segment mocking Mitt Romney’s adopted black grandson, but she offered an on-air apology on her show Saturday.

“Without reservation or qualification, I apologize to the Romney family,” she said. “Adults who enter into public life implicitly consent to having less privacy. But their families, and especially their children, should not be treated callously or thoughtlessly. My intention was not malicious, but I broke the ground-rule that families are off-limits. And for that I am sorry.”

The MSNBC host began to fight back tears as she continued: “Also, allow me to apologize to other families formed through trans-racial adoption, because I am deeply sorry that we suggested that interracial families are in any way funny or deserving of ridicule.”

“On this program, we are dedicated to advocating for a wide diversity of families. It is one of our core principles. And I am reminded that when we are doing so, it must always be with the utmost respect. We’re genuinely appreciative of everyone who offered serious criticisms of last Sunday’s program, and I am reminded that our fiercest critics can sometimes be our best teachers,” she concluded.

Watch the complete segment courtesy of MSNBC, below:

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