As minority leader, Robinson took over the distribution of patronage appointments and reformed the committee assignment process, decreeing that no senator would hold the top Democratic position in more than one important committee. A Capitol Hill resident, he never strayed far from the Senate chamber, but kept a constant watch over the proceedings in order to capitalize on any dissension within the Republican ranks. Known as a "horse trader," he made deals on both sides of the aisle and helped facilitate negotiations with the era's GOP presidents.