Cruz's Speech: Start of 2020 Presidential Campaign or Political Suicide?

Sen. Ted Cruz (R-Tx.) on the third day of the Republican National Convention on July 20, 2016 at the Quicken Loans Arena in Cleveland, Ohio. Republican presidential candidate Donald Trump received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Cleveland, including hundreds of protesters and members of the media. (Chip Somodevilla/Getty Images)