1.   An election campaign between an incumbent president and a Senate majority leader is bound to be fought out in legislative jousting.

2.   Never in this century has the fight for the presidency pitted a congressional monarch against an incumbent president.

3.   And incumbent presidents may be vulnerable in years in which first ladies are subpoenaed to testify before grand juries.

4.   And people forget that in reasonably good economic times, incumbent presidents have tremendous resources, especially one who decides to move to the center.

5.   And thanks to a splinter populist movement that siphoned off some of the strength of the incumbent Republican president, he was elected.

6.   As an incumbent GOP president he could have more effect on the race than if he were merely a lame-duck governor about to exit from elective politics.

7.   As the Monica Mess rolls on, we may be witnessing more than the destruction of an incumbent president.

8.   At best, the daunting task of wresting a long-shot victory from an incumbent president.

9.   At the time Clinton supposedly was poised atop a revolution that had toppled an incumbent GOP president.