" The term is usually used in reference to a prospective vice president of the United States, who the prospective president appoints sometime during the course of the election campaign. The term is also applied in US states where the governor and lieutenant governor run together on the same ticket . In American presidential elections, the vice-presidential candidate is chosen by the presidential candidate. In some states, the gubernatorial candidate chooses his/her running mate while in other states parties hold separate ballots for governor and lieutenant governor. The two then run together as running mates in the general election. In some states, separate elections are held for governor and lieutenant governor. In this case, the governor and lieutenant governor run separate campaigns and can be from two different political parties. Tim Broe This was the case when George W. Bush was Governor of Texas. "

" It is a form of aerobic exercise. Jogging Jogging is a poorly-defined term which generally refers to a type of slow running, previously called "roadwork" when athletes in training, such as boxers, customarily ran several miles each day as part of their conditioning. In the 1960s or 1970s the word "roadwork" was mostly supplanted by the word "jogging" and this form of running became quite popular among many people at that time in the United States. Jogging is a "high-impact" exercise that places strain on the body, notably the joints of the knee. This is actually one of the basic reasons for doing the exercise, as the impact drives growth processes in the body. Some dropped jogging in order to take up "low-impact" exercises such as stair climbing. Jogging can be combined with other kinds of exercising. Tim Mack Special trails that combine them are called trim trails. Some people define jogging as an inefficient form of running which, for the given individual performing it, and all other conditions held constant, is less efficient than walking. "