In the history of power and succession in power is nothing new that women of past presidents start to assume the chair of the husband. That’s how many times we see the story.

María Estela Martínez de Perón, better known as “Isabelita” Peron, was the first woman to win the presidency in Latin America.
Isabelita Perón was the vice husband’s plate, but with the death of Juan Domingo Perón was elected president, “Isabelita” took over and ruled the country between 1974 and 1976.

In Guyana, with the death of Cheddi Jagan in 1997, the country was ruled by First Lady Janet Jagan, who resigned in 1999 because of health problems.

In Argentina, former President Néstor Kirchner, conscious of his defeat in the runoff election to withdraw from the entrance of his wife Cristina Kirchner is elected president of Argentina and the rules to the present day.

And will not be news if Michelle Obama were to increase this statistic, especially if Obama is successful Pr project in its second term in government.
Michelle knows and deeply involved in political life next to Obama, even acting as her husband’s political advisor.