His main line of attack was that President Obama wants to turn America into Europe.
An Emmy-winning actress from main line Philadelphia, she had been with him nearly a year.
Speaking at the scene, he underscored that the missing-persons reports had become the main line of inquiry.
When I was 13, my family moved to a house on the main line that was supposedly haunted.
And Pennsylvanians, at least those on the main line, sound like Romney kind of voters.
We are going back up the road a little way and branch off, and so recover the main line.
This rested on Chatterton's Hill, some distance in front of the main line.
Our speed seemed to increase as we flew along the main line.
The men were endeavoring to reset the switch for the main line contact.
We could see the trains which ran on the main line from Hanau to Aschaffenburg.
"principal line of a railway," 1841; meaning "affluent area of residence" is by 1917, originally (with capitals) that of Philadelphia, from the "main line" of the Pennsylvania Railroad which added local stops to a string of backwater towns west of the city late 19c. that helped turn them into fashionable suburbs.
The Main Line, Philadelphia's most famous suburban district, was deliberately conceived in the 1870's and 1880's by the [Pennsylvania] Railroad, which built high-toned housing developments, ran hotels, more or less forced its executives to plunk their estates out there, and created a whole series of somewhat spurious Welsh towns along the railroad tracks. ... Now everybody assumes these all date from 1682, like the Robertses; but as Chestnut Hill people like to say, "nobody but Welsh peasants lived on the Main Line till the Railroad built it up." [Nathaniel Burt, "The Perennial Philadelphians," 1963]The original station stops were, in order out from the city, Overbrook, Merion, Narberth, Wynnewood, Ardmore, Haverford, Bryn Mawr, Paoli. The train line for commuters along it is the Paoli Local.
[first sense fr the railroad between Philadelphia and the wealthy suburbs to the west]