In the Layers panel, select the layer containing the vector mask you want to edit. Click the Vector Mask button in the Properties panel or the thumbnail in the Paths panel. Then change the shape using the shape, pen, or Direct Selection tools. See Editing paths.
Underwood's great-great-great-grandfather, Corporal Augustus Elijah Underwood, was a Confederate soldier who served in the 12th South Carolina Infantry Regiment of McGowan's Brigade at the Battle of Spotsylvania.
We first meet Underwood as the enormously powerful House Majority Whip for the Democrats. Yep. Underwood is a Dem, elected from South Carolina, hence the dodgy accent. The character was created by Beau Willimon, who adapted House of Cards from a British show. He could have just as easily make Underwood a Republican.