U.S. President Donald Trump plans more domestic travel to sell his administration's efforts to drive down the cost of living, two people with knowledge of the matter said, as a top aide promised big moves to lower the price of coffee, bananas and other goods. Trump has focused intensely on the issue of affordability after a string of defeats for Republican candidates in last week's elections, while insisting that any higher costs were triggered by policies enacted by former President Joe Biden, and not his own sweeping tariffs.