A significant ad buy has been made by Trump's PAC, MAGA Inc., in support of Paxton. The amount invested is $10 million, marking the first major expenditure by Trump's operation for a general election.

This move highlights the importance of the Texas Senate race to the Republican party's overall strategy.

Further details about the ad buy and its implications can be found through the source, which provides more information on this development and its potential impact on the election.