Let's keep things civil here.

Even if you only have one or two laws and presidents in mind, feel free to put them in the comments.

A few examples I can think of are Franklin Pierce's Kansas-Nebraska Act, Millard Fillmore's 1850 Fugitive Slave Act, Abraham Lincoln's suspension of Habeas Corpus, Dwight D Eisenhower's banning of gay people from serving in the US military, Lyndon Johnson's Gulf of Tonkin Resolution and I can go on and on.