Democrat Colin Allred launched his campaign for U.S. Senate on Tuesday, making a second run at the upper chamber after failing to unseat U.S. Sen. Ted Cruz last year.

Colin Allred is the first notable Democratic candidate in a Senate race that is likely to garner national attention and funding.

A former NFL linebacker and attorney, Allred is the first high-profile Democrat to declare himself a candidate in the race that Democrats see as their best shot next year at endin