“In their lawsuit, the Obama campaign and the DNC argue it is ‘arbitrary’ and unconstitutional to provide three extra days of early, in-person voting to military voters and their families. At least 20 times in their legal papers, they argue that there is no good reason to give special flexibility to military voters – and that this policy adopted by the Ohio legislature is so wrong it is unconstitutional.”
-- Memo from Katie Biber, general counsel for the Romney campaign, Aug. 5, 2012
Above is from the previous article in The Washington Post. Below is the Equal Protection Claus of the United States Constitution.
1. All persons born or naturalized in the United States, and subject to the jurisdiction thereof, are citizens of the United States and of the State wherein they reside. No State shall make or enforce any law which shall abridge the privileges or immunities of citizens of the United States; nor shall any State deprive any person of life, liberty, or property, without due process of law; nor deny to any person within its jurisdiction the equal protection of the laws.
Below is Cornell University Law School.
...Generally, (click title to entry - thank you) the question of whether the equal protection clause has been violated arises when a state grants a particular class of individuals the right to engage in an activity yet denies other individuals the same right....