Ted Cruz is a conservative firebrand known for his unwavering commitment to constitutional originalism and limited government, often positioning himself as a leading voice of the Tea Party movement within the Republican Party. A former Supreme Court clerk and Texas Solicitor General, he gained national attention early in his Senate career for his 21-hour filibuster against Obamacare and his willingness to challenge both Democratic and Republican leadership. Cruz's presidential ambitions were showcased in his strong 2016 campaign, where he emerged as Donald Trump's final major rival for the GOP nomination. His Harvard Law background and skilled debating abilities have made him a prominent conservative voice on issues ranging from border security to religious liberty.