GOP presidential candidate Vivek Ramaswamy has announced halt on TV ad spending ahead of Iowa caucuses and New Hampshire primary. Ramaswamy's campaign is set to focus on targeted advertising to mobilize voters and convey his vision for America. The campaign previously planned to spend up to $12 million on ads in Iowa and New Hampshire but has only spent $2.2 million so far. Ramaswamy is trailing in the GOP primary polls nationally, but his standings are slightly better in Iowa and New Hampshire.