under 50 percent of Americans in various polls approve of Holland 's work so far . Rating is similar to recent predecessors ' around 100-day mark . Approval tends to slip later in the year , Gallup polling director says .
64 percent of Americans in various polls approve of Obama 's work so far . Rating is similar to recent predecessors ' around 100-day mark . Approval tends to slip later in the year , CNN polling director says .