[L]ast month Johnson left his biggest committee assignment - appropriations - and joined the foreign relations panel...
Johnson said in an interview this week that he left appropriations because he got tired of being one of the only members routinely opposing spending bills.
"Most of the votes we had in committee I was losing 29-1 or 28-2," says Johnson, who also serves on the Budget, Commerce, Small Business and Homeland Security panels.
He complained the minority had little real power, and his anti-spending votes often placed him in the minority of the minority. Johnson was also the only Republican on the panel who wasn't a "ranking member" (meaning the designated lead senator for his party) on any of the appropriations subcommittees.
Given his frustrations over federal spending, the outcome of the 2012 election and his party's minority status in the U.S. Senate, Johnson was asked whether he expected to seek a second term.
"I'm certainly taking the steps to do so," he said.