What is the statute of limitations on anti-gay comments and homophobic tweets?

The homophobic and anti-gay tweets of a couple prominent professional athletes surfaced this week. The catch? The tweets were from several years ago. So when Eagles draftee Wendell Smallwood had to face sudden questions about tweets from his high school days he deleted his account and dismissed the tweets as thoughts from his youth. Trail Blazers player Al-Farouq Aminu has seemingly gotten away with his tweets of six years ago by simply deleting them without comment. 

What is the statute of limitations on anti-gay comments and tweets?

The battle over North Carolina continues, as the state's governor seems unwilling to shift to pressure about his anti-LGBT law that has caused concerts to be canceled and many sports figures have spoken out. Now college baseball is taking center stage with various postseason tournaments scheduled in the Tar Heel state in the next few weeks.