Political discussion matters for a wide array of political phenomena such as attitude formation, electoral choice, other forms of participation, levels of political expertise, and tolerance. Thus far, research on the underpinnings of political discussion has focused on political, social, and contextual forces. We expand upon this existing research by examining how individual personality traits influence patterns of political discussion. Drawing on data from two surveys we investigate how personality traits influence the context in which citizens discuss politics, the nature of the relationship between individuals and their discussion partners, and the influence discussion partners have on respondents' views. We find a number of personality effects and our results highlight the importance of accounting for individual predispositions in the study of political discussion.Keywords Personality Á Big Five Á Political discussion Á Social influence Most forms of political participation require a conscious decision to break from the routine of our everyday life to engage with the political world. We choose to stop off at our polling place after work to cast a vote. We go outside to pound a candidate's sign into our yard. Or, we miss spending a Saturday afternoon at home to attend a political rally. Most participation then can be seen as a series of deliberate choices about how much time to devote to political matters, operating within a clearly defined context. Consequently, most studies of political

A vast literature debates the efficacy of descriptive representation in legislatures. Though studies argue it influences how communities are represented through constituency service, they are limited since legislators' service activities are unobserved. Using Freedom of Information Act (FOIA) requests, we collected 88,000 records of communication between members of the U.S. Congress and federal agencies during the 108th-113th Congresses. These legislative interventions allow us to examine members' "follow-through" with policy implementation. We find that women, racial/ethnic minorities, and veterans are more likely to work on behalf of constituents with whom they share identities. Including veterans offers leverage in understanding the role of political cleavages and shared experiences. Our findings suggest that shared experiences operate as a critical mechanism for representation, that a lack of political consensus is not necessary for substantive representation, and that the causal relationships identified by experimental work have observable implications in the daily work of Congress.

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Public policy is produced by elected and unelected officials and through the interactions of branches of government. We consider how such interactions affect policy implementation and representation. We argue that legislators try to influence bureaucratic decisions through direct communication with federal agencies, and that such contact is effective and has consequences for policy outcomes. We provide empirical evidence of this argument using original data about direct communication between members of Congress and the u.s. department of Labor (dOL) along with decisions made by the dOL regarding trade and redistributive policies. We find that direct contacts influence dOL decisions, and the agency is more likely to reverse previous decisions when requested to do so by legislators. Our results challenge key assumptions and findings in the previous literature and have important implications for interbranch relations and informal means of control over the implementation of national policy.

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