(Milwaukee, WI) --Governor Greg Abbott is continuing his opposition to President Joe Biden's immigration policies on a national stage. On Wednesday, Abbott spoke to the Republican National Convention in Milwaukee, telling delegates that the administration has failed in its duty to secure the southern border. The governor promised to continue sending busloads of illegal immigrants to self-described "sanctuary cities" in New York and other northern states.Abbott said he supports Trump's plan to enforce immigration law, deport illegals, and fight drug cartels.