Several 2016 presidential candidates were interviewed for Sunday morning's political talk shows on Mother's Day, and not one of them was asked about how they might fix America's poor standing on maternal and child health and education.

A new report ranked the United States 61^st globally in maternal health, worst among developed nations. From CBS News:

Save the Children, a global nonprofit organization aimed at improving the health of children worldwide, ranked 179 countries based on five indicators: maternal health, children's well-being, and education, economic, and political status. When taking all of these factors into account, the United States slid to 33rd place worldwide, down two spots in the rankings compared to last year.

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While the United States performed well on economic and educational status -- 9th and 16th best, respectively -- in addition to its poor standing in maternal health, it ranked 42nd in children's well-being and 89th in political status, as measured by women's representation in national government.

Republicans Carly Fiorina, Mike Huckabee, and Ben Carson, as well as Democratic candidate Bernie Sanders, all appeared on political talk shows during Mother's Day, but none of them were asked about how they might address the nation's tragic infant mortality rate, reproductive health discrimination, or the fact that the United States is the only industrialized nation without paid maternity leave.

NBC's Meet the Press tackled the topic in a Mother's Day-themed panel at the end of its show, but host Chuck Todd neglected to ask Republican presidential candidate Carly Fiorina about what her approach would be to correct the U.S.'s maternal failings if she were to be elected. Instead of discussing Fiorina's dubious claims about the origins of gender pay equity, the two discussed free trade, her business record, and her lack of political experience. Todd did wish the candidate a “Happy Mother's Day.”

Carson appeared on Fox's Fox News Sunday, where host Chris Wallace began an interview by asking Carson about his ailing mother and asking the candidate to describe how she raised Carson out of “dire poverty” in Detroit. Carson answered that his mother encouraged him to read, and that access to books made all the difference. But Wallace failed to ask Carson how he might increase the chances for other mothers and their children to thrive.

CBS' Bob Schieffer interviewed a pair of 2016 presidential candidates on the Mother's Day edition of Face the Nation, but he failed to ask either Mike Huckabee or Bernie Sanders about policy stances affecting U.S. mothers. Schieffer pressed Huckabee on the threat of ISIS, reforming Social Security, and his past hawking of fake diabetes cures, while focusing most of his discussion with Sanders on Hillary Clinton. Sanders nevertheless took the opportunity to cite Mother's Day and raise concerns about the U.S.'s child care system, which he called a “total disaster.”

Republicans have regularly opposed measures that would alleviate some of the ways the nation's current policies have failed American moms. After President Obama called for mandating paid maternity leave in his 2015 State of the Union address, Republicans “didn't join in the applause” that followed and have publicly panned the idea. The Hill further noted that current Republican leadership also opposed the 1993 Family and Medical Leave Act, which Speaker John Boehner (R-OH) said at the time would have devastating consequences.