But they don't show much trepidation about obstructing, crossing or even double-crossing him, be it Joe Barton accusing him of extortion or Joe Sestak thumbing his nose at job offers.
Parked and stopped vehicles in the vicinity of an at-grade pedestrian crossing obstruct visibility between pedestrians crossing the roadway and approaching vehicles, leading into vehicle pedestrian crashes.
A man in America has been arrested for obstructing traffic after crossing the road dressed as a tree.
It edged into intersections cautiously, moved forward slowly when it had the right of way but its path was obstructed by a pedestrian crossing the street, and did a number of other things that made its driving feel more "human" than you might expect from an exacting computer system.
Through the declared emergency, White House officials plan to use $8 billion to build sections of a barrier that Trump says will obstruct or deter migrants from crossing into the country.
People traversed the neighborhood by passing through a maze of holes knocked out of walls and crossing alleys with huge tarps strung up to obstruct the view of snipers.
Farmers in the north-eastern Alsace region used tractors to obstruct six routes from Germany in a bid to stop trucks crossing the Rhine carrying agricultural goods, in a blockage that is expected to last until at least Monday afternoon.
With the path long, perilous, and occasionally obstructed by guards or crossed by barbed wire, refugee families like the Majids must manage their wounds along the way.
Ledger, in fairness, was on the opposite side of the pitch and obstructed by the goal when Sterling crossed from the byline.
The league tried to enforce parity twenty years ago, by permitting players to obstruct one another: any player who crossed a team's defensive blue line had a stick held against his midsection in the manner of a subway turnstile.
But there comes a point where you cross a line and begin obstructing freedom.
